Fixed small typos

Author: ajessu

contributing/code/patches.rst

@@ -36,9 +36,9 @@ Thank you for including the filled out template in your submission!
 
 .. tip::
 
- All feature addition's should be send to the "master" branch, while all
- bug fixes should be send to the oldest still active branch. Furthermore
- submissions should as a rule of thumb not break backwards compatibility.
+ All feature addition's should be sent to the "master" branch, while all
+ bug fixes should be sent to the oldest still active branch. Furthermore
+ submissions should, as a rule of thumb, not break backwards compatibility.
  Please mark any submissions as "[WIP]" in the title in case the submission
  is not yet complete (for example if the tests do not yet pass).