Fix form doc links

docs/documentation/elements/button.html

@@ -252,7 +252,7 @@ doc-subtab: button
         <span class="tag is-info">0.4.2</span>
       </p>
       <p>
-        You can create a <strong>non-interactive button</strong> by using the <code>is-static</code> modifier. This is useful to align a text label with an input, for example when using <a href="{{site.url}}/documentation/elements/form#form-addons">form addons</a>.
+        You can create a <strong>non-interactive button</strong> by using the <code>is-static</code> modifier. This is useful to align a text label with an input, for example when using <a href="{{site.url}}/documentation/form/general#form-addons">form addons</a>.
       </p>
     </div>
 {{button_static_example}}

docs/documentation/form/general.html

@@ -708,7 +708,7 @@ doc-subtab: general
 
     <hr>
 
-    <h3 id="form-addons" class="title">Form field</h3>
+    <h3 id="form-field" class="title">Form field</h3>
 
     <div class="content">
       <p>The <code>field</code> container is a simple container for:</p>