Fix typos in deprecation doc

thanks @tiborvass

Signed-off-by: Doug Davis <dug@us.ibm.com>

docs/misc/deprecated.md

@@ -50,7 +50,7 @@ are deprecated and replaced with double-dash options (`--opt`):
     docker search -trusted
     docker tag -force
 
-The following single-dash options are deprecated and have no replacement:
+The following double-dash options are deprecated and have no replacement:
 
     docker run --networking
     docker ps --since-id

docs/misc/index.md

@@ -100,7 +100,7 @@ on the separate [Release Notes page](/release-notes/)
 ## Feature Deprecation Policy
 
 As changes are made to Docker there may be times when existing features
-will need to be removed or replace with newer features. Before an existing
+will need to be removed or replaced with newer features. Before an existing
 feature is removed it will be labeled as "deprecated" within the documentation
 and will remain in Docker for, usually, at least 2 releases. After that time
 it may be removed.