diff --git a/client/src/components/Actions/TableActions.tsx b/client/src/components/Actions/TableActions.tsx
index 75613ee..6d9460c 100644
--- a/client/src/components/Actions/TableActions.tsx
+++ b/client/src/components/Actions/TableActions.tsx
@@ -4,7 +4,7 @@ import classes from './TableActions.module.css';
 interface Entity {
   id: number;
   name: string;
-  isPinned: boolean;
+  isPinned?: boolean;
   isPublic: boolean;
 }
 
@@ -12,7 +12,7 @@ interface Props {
   entity: Entity;
   deleteHandler: (id: number, name: string) => void;
   updateHandler: (id: number) => void;
-  pinHanlder: (id: number) => void;
+  pinHanlder?: (id: number) => void;
   changeVisibilty: (id: number) => void;
   showPin?: boolean;
 }
@@ -27,6 +27,8 @@ export const TableActions = (props: Props): JSX.Element => {
     showPin = true,
   } = props;
 
+  const _pinHandler = pinHanlder || function () {};
+
   return (
     <td className={classes.TableActions}>
       {/* DELETE */}
@@ -51,7 +53,7 @@ export const TableActions = (props: Props): JSX.Element => {
       {showPin && (
         <div
           className={classes.TableAction}
-          onClick={() => pinHanlder(entity.id)}
+          onClick={() => _pinHandler(entity.id)}
           tabIndex={0}
         >
           {entity.isPinned ? (
diff --git a/client/src/components/Apps/AppForm/AppForm.tsx b/client/src/components/Apps/AppForm/AppForm.tsx
index 10bc694..8679f82 100644
--- a/client/src/components/Apps/AppForm/AppForm.tsx
+++ b/client/src/components/Apps/AppForm/AppForm.tsx
@@ -1,6 +1,6 @@
 import { useState, useEffect, ChangeEvent, SyntheticEvent } from 'react';
-import { useDispatch } from 'react-redux';
-import { App, NewApp } from '../../../interfaces';
+import { useDispatch, useSelector } from 'react-redux';
+import { NewApp } from '../../../interfaces';
 
 import classes from './AppForm.module.css';
 
@@ -8,29 +8,34 @@ import { ModalForm, InputGroup, Button } from '../../UI';
 import { inputHandler, newAppTemplate } from '../../../utility';
 import { bindActionCreators } from 'redux';
 import { actionCreators } from '../../../store';
+import { State } from '../../../store/reducers';
 
 interface Props {
   modalHandler: () => void;
-  app?: App;
 }
 
-export const AppForm = ({ app, modalHandler }: Props): JSX.Element => {
+export const AppForm = ({ modalHandler }: Props): JSX.Element => {
+  const { appInUpdate } = useSelector((state: State) => state.apps);
+
   const dispatch = useDispatch();
-  const { addApp, updateApp } = bindActionCreators(actionCreators, dispatch);
+  const { addApp, updateApp, setEditApp } = bindActionCreators(
+    actionCreators,
+    dispatch
+  );
 
   const [useCustomIcon, toggleUseCustomIcon] = useState<boolean>(false);
   const [customIcon, setCustomIcon] = useState<File | null>(null);
   const [formData, setFormData] = useState<NewApp>(newAppTemplate);
 
   useEffect(() => {
-    if (app) {
+    if (appInUpdate) {
       setFormData({
-        ...app,
+        ...appInUpdate,
       });
     } else {
       setFormData(newAppTemplate);
     }
-  }, [app]);
+  }, [appInUpdate]);
 
   const inputChangeHandler = (
     e: ChangeEvent<HTMLInputElement | HTMLSelectElement>,
@@ -66,7 +71,7 @@ export const AppForm = ({ app, modalHandler }: Props): JSX.Element => {
       return data;
     };
 
-    if (!app) {
+    if (!appInUpdate) {
       if (customIcon) {
         const data = createFormData();
         addApp(data);
@@ -76,14 +81,15 @@ export const AppForm = ({ app, modalHandler }: Props): JSX.Element => {
     } else {
       if (customIcon) {
         const data = createFormData();
-        updateApp(app.id, data);
+        updateApp(appInUpdate.id, data);
       } else {
-        updateApp(app.id, formData);
+        updateApp(appInUpdate.id, formData);
         modalHandler();
       }
     }
 
     setFormData(newAppTemplate);
+    setEditApp(null);
   };
 
   return (
@@ -182,7 +188,7 @@ export const AppForm = ({ app, modalHandler }: Props): JSX.Element => {
         </select>
       </InputGroup>
 
-      {!app ? (
+      {!appInUpdate ? (
         <Button>Add new application</Button>
       ) : (
         <Button>Update application</Button>
diff --git a/client/src/components/Apps/Apps.tsx b/client/src/components/Apps/Apps.tsx
index 7231e18..88db874 100644
--- a/client/src/components/Apps/Apps.tsx
+++ b/client/src/components/Apps/Apps.tsx
@@ -19,7 +19,6 @@ import { AppForm } from './AppForm/AppForm';
 import { AppTable } from './AppTable/AppTable';
 
 // Utils
-import { appTemplate } from '../../utility';
 import { State } from '../../store/reducers';
 import { bindActionCreators } from 'redux';
 import { actionCreators } from '../../store';
@@ -37,7 +36,7 @@ export const Apps = (props: Props): JSX.Element => {
 
   // Get Redux action creators
   const dispatch = useDispatch();
-  const { getApps } = bindActionCreators(actionCreators, dispatch);
+  const { getApps, setEditApp } = bindActionCreators(actionCreators, dispatch);
 
   // Load apps if array is empty
   useEffect(() => {
@@ -49,8 +48,6 @@ export const Apps = (props: Props): JSX.Element => {
   // Form
   const [modalIsOpen, setModalIsOpen] = useState(false);
   const [showTable, setShowTable] = useState(false);
-  const [isInUpdate, setIsInUpdate] = useState(false);
-  const [appInUpdate, setAppInUpdate] = useState<App>(appTemplate);
 
   // Observe if user is authenticated -> set default view if not
   useEffect(() => {
@@ -63,28 +60,21 @@ export const Apps = (props: Props): JSX.Element => {
   // Form actions
   const toggleModal = (): void => {
     setModalIsOpen(!modalIsOpen);
-    setIsInUpdate(false);
   };
 
   const toggleEdit = (): void => {
     setShowTable(!showTable);
-    setIsInUpdate(false);
   };
 
   const openFormForUpdating = (app: App): void => {
-    setAppInUpdate(app);
-    setIsInUpdate(true);
+    setEditApp(app);
     setModalIsOpen(true);
   };
 
   return (
     <Container>
       <Modal isOpen={modalIsOpen} setIsOpen={setModalIsOpen}>
-        {!isInUpdate ? (
-          <AppForm modalHandler={toggleModal} />
-        ) : (
-          <AppForm modalHandler={toggleModal} app={appInUpdate} />
-        )}
+        <AppForm modalHandler={toggleModal} />
       </Modal>
 
       <Headline
@@ -94,7 +84,14 @@ export const Apps = (props: Props): JSX.Element => {
 
       {isAuthenticated && (
         <div className={classes.ActionsContainer}>
-          <ActionButton name="Add" icon="mdiPlusBox" handler={toggleModal} />
+          <ActionButton
+            name="Add"
+            icon="mdiPlusBox"
+            handler={() => {
+              setEditApp(null);
+              toggleModal();
+            }}
+          />
           <ActionButton name="Edit" icon="mdiPencil" handler={toggleEdit} />
         </div>
       )}
diff --git a/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.module.css b/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.module.css
index b840a42..c61217d 100644
--- a/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.module.css
+++ b/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.module.css
@@ -10,6 +10,10 @@
   text-transform: uppercase;
 }
 
+.BookmarkCard h3:hover {
+  cursor: pointer;
+}
+
 .Bookmarks {
   display: flex;
   flex-direction: column;
diff --git a/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.tsx b/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.tsx
index 146bf67..fe6c97d 100644
--- a/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.tsx
+++ b/client/src/components/Bookmarks/BookmarkCard/BookmarkCard.tsx
@@ -1,14 +1,17 @@
 import { Fragment } from 'react';
 
-import { useSelector } from 'react-redux';
+// Redux
+import { useDispatch, useSelector } from 'react-redux';
 import { State } from '../../../store/reducers';
+import { bindActionCreators } from 'redux';
+import { actionCreators } from '../../../store';
 
+// Typescript
 import { Bookmark, Category } from '../../../interfaces';
 
+// Other
 import classes from './BookmarkCard.module.css';
-
 import { Icon } from '../../UI';
-
 import { iconParser, isImage, isSvg, isUrl, urlParser } from '../../../utility';
 
 interface Props {
@@ -18,9 +21,19 @@ interface Props {
 export const BookmarkCard = (props: Props): JSX.Element => {
   const { config } = useSelector((state: State) => state.config);
 
+  const dispatch = useDispatch();
+  const { setEditCategory } = bindActionCreators(actionCreators, dispatch);
+
   return (
     <div className={classes.BookmarkCard}>
-      <h3>{props.category.name}</h3>
+      <h3
+        onClick={() => {
+          setEditCategory(props.category);
+        }}
+      >
+        {props.category.name}
+      </h3>
+
       <div className={classes.Bookmarks}>
         {props.category.bookmarks.map((bookmark: Bookmark) => {
           const redirectUrl = urlParser(bookmark.url)[1];
diff --git a/client/src/components/Bookmarks/Bookmarks.tsx b/client/src/components/Bookmarks/Bookmarks.tsx
index ba5570e..f461d48 100644
--- a/client/src/components/Bookmarks/Bookmarks.tsx
+++ b/client/src/components/Bookmarks/Bookmarks.tsx
@@ -19,9 +19,6 @@ import { Container, Headline, ActionButton, Spinner, Modal } from '../UI';
 // Components
 import { BookmarkGrid } from './BookmarkGrid/BookmarkGrid';
 import { Form } from './Form/Form';
-
-// Utils
-import { bookmarkTemplate, categoryTemplate } from '../../utility';
 import { Table } from './Table/Table';
 
 interface Props {
@@ -36,13 +33,14 @@ export enum ContentType {
 export const Bookmarks = (props: Props): JSX.Element => {
   // Get Redux state
   const {
-    bookmarks: { loading, categories },
+    bookmarks: { loading, categories, categoryInEdit },
     auth: { isAuthenticated },
   } = useSelector((state: State) => state);
 
   // Get Redux action creators
   const dispatch = useDispatch();
-  const { getCategories } = bindActionCreators(actionCreators, dispatch);
+  const { getCategories, setEditCategory, setEditBookmark } =
+    bindActionCreators(actionCreators, dispatch);
 
   // Load categories if array is empty
   useEffect(() => {
@@ -55,10 +53,6 @@ export const Bookmarks = (props: Props): JSX.Element => {
   const [modalIsOpen, setModalIsOpen] = useState(false);
   const [formContentType, setFormContentType] = useState(ContentType.category);
   const [isInUpdate, setIsInUpdate] = useState(false);
-  const [categoryInUpdate, setCategoryInUpdate] =
-    useState<Category>(categoryTemplate);
-  const [bookmarkInUpdate, setBookmarkInUpdate] =
-    useState<Bookmark>(bookmarkTemplate);
 
   // Table
   const [showTable, setShowTable] = useState(false);
@@ -74,6 +68,13 @@ export const Bookmarks = (props: Props): JSX.Element => {
     }
   }, [isAuthenticated]);
 
+  useEffect(() => {
+    if (categoryInEdit && !showTable) {
+      setTableContentType(ContentType.bookmark);
+      setShowTable(true);
+    }
+  }, [categoryInEdit]);
+
   // Form actions
   const toggleModal = (): void => {
     setModalIsOpen(!modalIsOpen);
@@ -94,10 +95,10 @@ export const Bookmarks = (props: Props): JSX.Element => {
 
     if (instanceOfCategory(data)) {
       setFormContentType(ContentType.category);
-      setCategoryInUpdate(data);
+      setEditCategory(data);
     } else {
       setFormContentType(ContentType.bookmark);
-      setBookmarkInUpdate(data);
+      setEditBookmark(data);
     }
 
     toggleModal();
@@ -121,8 +122,6 @@ export const Bookmarks = (props: Props): JSX.Element => {
           modalHandler={toggleModal}
           contentType={formContentType}
           inUpdate={isInUpdate}
-          category={categoryInUpdate}
-          bookmark={bookmarkInUpdate}
         />
       </Modal>
 
@@ -145,11 +144,11 @@ export const Bookmarks = (props: Props): JSX.Element => {
             icon="mdiPencil"
             handler={() => showTableForEditing(ContentType.category)}
           />
-          {/* <ActionButton
+          <ActionButton
             name="Edit Bookmarks"
             icon="mdiPencil"
             handler={() => showTableForEditing(ContentType.bookmark)}
-          /> */}
+          />
         </div>
       )}
 
diff --git a/client/src/components/Bookmarks/Form/Form.tsx b/client/src/components/Bookmarks/Form/Form.tsx
index 41ed1bb..960e8cf 100644
--- a/client/src/components/Bookmarks/Form/Form.tsx
+++ b/client/src/components/Bookmarks/Form/Form.tsx
@@ -1,22 +1,26 @@
 // Typescript
-import { Bookmark, Category } from '../../../interfaces';
 import { ContentType } from '../Bookmarks';
 
 // Utils
 import { CategoryForm } from './CategoryForm';
 import { BookmarksForm } from './BookmarksForm';
 import { Fragment } from 'react';
+import { useSelector } from 'react-redux';
+import { State } from '../../../store/reducers';
+import { bookmarkTemplate, categoryTemplate } from '../../../utility';
 
 interface Props {
   modalHandler: () => void;
   contentType: ContentType;
   inUpdate?: boolean;
-  category?: Category;
-  bookmark?: Bookmark;
 }
 
 export const Form = (props: Props): JSX.Element => {
-  const { modalHandler, contentType, inUpdate, category, bookmark } = props;
+  const { categoryInEdit, bookmarkInEdit } = useSelector(
+    (state: State) => state.bookmarks
+  );
+
+  const { modalHandler, contentType, inUpdate } = props;
 
   return (
     <Fragment>
@@ -33,9 +37,15 @@ export const Form = (props: Props): JSX.Element => {
         // form: update
         <Fragment>
           {contentType === ContentType.category ? (
-            <CategoryForm modalHandler={modalHandler} category={category} />
+            <CategoryForm
+              modalHandler={modalHandler}
+              category={categoryInEdit || categoryTemplate}
+            />
           ) : (
-            <BookmarksForm modalHandler={modalHandler} bookmark={bookmark} />
+            <BookmarksForm
+              modalHandler={modalHandler}
+              bookmark={bookmarkInEdit || bookmarkTemplate}
+            />
           )}
         </Fragment>
       )}
diff --git a/client/src/store/action-creators/app.ts b/client/src/store/action-creators/app.ts
index ddd88fa..7e285b6 100644
--- a/client/src/store/action-creators/app.ts
+++ b/client/src/store/action-creators/app.ts
@@ -7,6 +7,7 @@ import {
   GetAppsAction,
   PinAppAction,
   ReorderAppsAction,
+  SetEditAppAction,
   SortAppsAction,
   UpdateAppAction,
 } from '../actions/app';
@@ -196,3 +197,11 @@ export const sortApps = () => async (dispatch: Dispatch<SortAppsAction>) => {
     console.log(err);
   }
 };
+
+export const setEditApp =
+  (app: App | null) => (dispatch: Dispatch<SetEditAppAction>) => {
+    dispatch({
+      type: ActionType.setEditApp,
+      payload: app,
+    });
+  };
diff --git a/client/src/store/action-creators/bookmark.ts b/client/src/store/action-creators/bookmark.ts
index 5010bd3..4b1b0d2 100644
--- a/client/src/store/action-creators/bookmark.ts
+++ b/client/src/store/action-creators/bookmark.ts
@@ -18,6 +18,8 @@ import {
   GetCategoriesAction,
   PinCategoryAction,
   ReorderCategoriesAction,
+  SetEditBookmarkAction,
+  SetEditCategoryAction,
   SortCategoriesAction,
   UpdateBookmarkAction,
   UpdateCategoryAction,
@@ -319,3 +321,21 @@ export const reorderCategories =
       console.log(err);
     }
   };
+
+export const setEditCategory =
+  (category: Category | null) =>
+  (dispatch: Dispatch<SetEditCategoryAction>) => {
+    dispatch({
+      type: ActionType.setEditCategory,
+      payload: category,
+    });
+  };
+
+export const setEditBookmark =
+  (bookmark: Bookmark | null) =>
+  (dispatch: Dispatch<SetEditBookmarkAction>) => {
+    dispatch({
+      type: ActionType.setEditBookmark,
+      payload: bookmark,
+    });
+  };
diff --git a/client/src/store/action-types/index.ts b/client/src/store/action-types/index.ts
index 58ca529..81e1a84 100644
--- a/client/src/store/action-types/index.ts
+++ b/client/src/store/action-types/index.ts
@@ -23,6 +23,7 @@ export enum ActionType {
   updateApp = 'UPDATE_APP',
   reorderApps = 'REORDER_APPS',
   sortApps = 'SORT_APPS',
+  setEditApp = 'SET_EDIT_APP',
   // CATEGORES
   getCategories = 'GET_CATEGORIES',
   getCategoriesSuccess = 'GET_CATEGORIES_SUCCESS',
@@ -33,10 +34,12 @@ export enum ActionType {
   updateCategory = 'UPDATE_CATEGORY',
   sortCategories = 'SORT_CATEGORIES',
   reorderCategories = 'REORDER_CATEGORIES',
+  setEditCategory = 'SET_EDIT_CATEGORY',
   // BOOKMARKS
   addBookmark = 'ADD_BOOKMARK',
   deleteBookmark = 'DELETE_BOOKMARK',
   updateBookmark = 'UPDATE_BOOKMARK',
+  setEditBookmark = 'SET_EDIT_BOOKMARK',
   // AUTH
   login = 'LOGIN',
   logout = 'LOGOUT',
diff --git a/client/src/store/actions/app.ts b/client/src/store/actions/app.ts
index 37f5419..689014a 100644
--- a/client/src/store/actions/app.ts
+++ b/client/src/store/actions/app.ts
@@ -36,3 +36,8 @@ export interface SortAppsAction {
   type: ActionType.sortApps;
   payload: string;
 }
+
+export interface SetEditAppAction {
+  type: ActionType.setEditApp;
+  payload: App | null;
+}
diff --git a/client/src/store/actions/bookmark.ts b/client/src/store/actions/bookmark.ts
index e4cfcfd..60e7c9f 100644
--- a/client/src/store/actions/bookmark.ts
+++ b/client/src/store/actions/bookmark.ts
@@ -56,3 +56,13 @@ export interface ReorderCategoriesAction {
   type: ActionType.reorderCategories;
   payload: Category[];
 }
+
+export interface SetEditCategoryAction {
+  type: ActionType.setEditCategory;
+  payload: Category | null;
+}
+
+export interface SetEditBookmarkAction {
+  type: ActionType.setEditBookmark;
+  payload: Bookmark | null;
+}
diff --git a/client/src/store/actions/index.ts b/client/src/store/actions/index.ts
index 02862b6..3193873 100644
--- a/client/src/store/actions/index.ts
+++ b/client/src/store/actions/index.ts
@@ -24,6 +24,7 @@ import {
   UpdateAppAction,
   ReorderAppsAction,
   SortAppsAction,
+  SetEditAppAction,
 } from './app';
 
 import {
@@ -37,6 +38,8 @@ import {
   AddBookmarkAction,
   DeleteBookmarkAction,
   UpdateBookmarkAction,
+  SetEditCategoryAction,
+  SetEditBookmarkAction,
 } from './bookmark';
 
 import {
@@ -67,6 +70,7 @@ export type Action =
   | UpdateAppAction
   | ReorderAppsAction
   | SortAppsAction
+  | SetEditAppAction
   // Categories
   | GetCategoriesAction<any>
   | AddCategoryAction
@@ -75,10 +79,12 @@ export type Action =
   | UpdateCategoryAction
   | SortCategoriesAction
   | ReorderCategoriesAction
+  | SetEditCategoryAction
   // Bookmarks
   | AddBookmarkAction
   | DeleteBookmarkAction
   | UpdateBookmarkAction
+  | SetEditBookmarkAction
   // Auth
   | LoginAction
   | LogoutAction
diff --git a/client/src/store/reducers/app.ts b/client/src/store/reducers/app.ts
index e6da902..7f10793 100644
--- a/client/src/store/reducers/app.ts
+++ b/client/src/store/reducers/app.ts
@@ -7,12 +7,14 @@ interface AppsState {
   loading: boolean;
   apps: App[];
   errors: string | undefined;
+  appInUpdate: App | null;
 }
 
 const initialState: AppsState = {
   loading: true,
   apps: [],
   errors: undefined,
+  appInUpdate: null,
 };
 
 export const appsReducer = (
@@ -86,6 +88,12 @@ export const appsReducer = (
         apps: sortData<App>(state.apps, action.payload),
       };
 
+    case ActionType.setEditApp:
+      return {
+        ...state,
+        appInUpdate: action.payload,
+      };
+
     default:
       return state;
   }
diff --git a/client/src/store/reducers/bookmark.ts b/client/src/store/reducers/bookmark.ts
index b8e7e61..d1fc380 100644
--- a/client/src/store/reducers/bookmark.ts
+++ b/client/src/store/reducers/bookmark.ts
@@ -1,4 +1,4 @@
-import { Category } from '../../interfaces';
+import { Bookmark, Category } from '../../interfaces';
 import { sortData } from '../../utility';
 import { ActionType } from '../action-types';
 import { Action } from '../actions';
@@ -7,12 +7,16 @@ interface BookmarksState {
   loading: boolean;
   errors: string | undefined;
   categories: Category[];
+  categoryInEdit: Category | null;
+  bookmarkInEdit: Bookmark | null;
 }
 
 const initialState: BookmarksState = {
   loading: true,
   errors: undefined,
   categories: [],
+  categoryInEdit: null,
+  bookmarkInEdit: null,
 };
 
 export const bookmarksReducer = (
@@ -45,19 +49,19 @@ export const bookmarksReducer = (
         (category) => category.id === action.payload.categoryId
       );
 
+      const categoryWithNewBookmark = {
+        ...state.categories[categoryIdx],
+        bookmarks: [...state.categories[categoryIdx].bookmarks, action.payload],
+      };
+
       return {
         ...state,
         categories: [
           ...state.categories.slice(0, categoryIdx),
-          {
-            ...state.categories[categoryIdx],
-            bookmarks: [
-              ...state.categories[categoryIdx].bookmarks,
-              action.payload,
-            ],
-          },
+          categoryWithNewBookmark,
           ...state.categories.slice(categoryIdx + 1),
         ],
+        categoryInEdit: categoryWithNewBookmark,
       };
 
     case ActionType.pinCategory:
@@ -112,47 +116,54 @@ export const bookmarksReducer = (
         (category) => category.id === action.payload.categoryId
       );
 
+      const targetCategory = {
+        ...state.categories[categoryInUpdateIdx],
+        bookmarks: state.categories[categoryInUpdateIdx].bookmarks.filter(
+          (bookmark) => bookmark.id !== action.payload.bookmarkId
+        ),
+      };
+
       return {
         ...state,
         categories: [
           ...state.categories.slice(0, categoryInUpdateIdx),
-          {
-            ...state.categories[categoryInUpdateIdx],
-            bookmarks: state.categories[categoryInUpdateIdx].bookmarks.filter(
-              (bookmark) => bookmark.id !== action.payload.bookmarkId
-            ),
-          },
+          targetCategory,
           ...state.categories.slice(categoryInUpdateIdx + 1),
         ],
+        categoryInEdit: targetCategory,
       };
 
     case ActionType.updateBookmark:
       const parentCategoryIdx = state.categories.findIndex(
         (category) => category.id === action.payload.categoryId
       );
+
       const updatedBookmarkIdx = state.categories[
         parentCategoryIdx
       ].bookmarks.findIndex((bookmark) => bookmark.id === action.payload.id);
 
+      const categoryWithUpdatedBookmark = {
+        ...state.categories[parentCategoryIdx],
+        bookmarks: [
+          ...state.categories[parentCategoryIdx].bookmarks.slice(
+            0,
+            updatedBookmarkIdx
+          ),
+          action.payload,
+          ...state.categories[parentCategoryIdx].bookmarks.slice(
+            updatedBookmarkIdx + 1
+          ),
+        ],
+      };
+
       return {
         ...state,
         categories: [
           ...state.categories.slice(0, parentCategoryIdx),
-          {
-            ...state.categories[parentCategoryIdx],
-            bookmarks: [
-              ...state.categories[parentCategoryIdx].bookmarks.slice(
-                0,
-                updatedBookmarkIdx
-              ),
-              action.payload,
-              ...state.categories[parentCategoryIdx].bookmarks.slice(
-                updatedBookmarkIdx + 1
-              ),
-            ],
-          },
+          categoryWithUpdatedBookmark,
           ...state.categories.slice(parentCategoryIdx + 1),
         ],
+        categoryInEdit: categoryWithUpdatedBookmark,
       };
 
     case ActionType.sortCategories:
@@ -166,6 +177,19 @@ export const bookmarksReducer = (
         ...state,
         categories: action.payload,
       };
+
+    case ActionType.setEditCategory:
+      return {
+        ...state,
+        categoryInEdit: action.payload,
+      };
+
+    case ActionType.setEditBookmark:
+      return {
+        ...state,
+        bookmarkInEdit: action.payload,
+      };
+
     default:
       return state;
   }