fixed typos

- signed-off-by: trimstray <trimstray@gmail.com>

CONTRIBUTING.md

@@ -1,6 +1,6 @@
 # Contributing
 
-If you would like to support this project, you have an interesting idea how to improve the operation of this tool or if you found some errors - do fork this add your fixes and add pull-request of your branch to the **testing branch**.
+If you would like to support this project, have an interesting idea how to improve the operation of this tool, or if you found some errors - fork this, add your fixes, and add a pull request of your branch to the **master branch**.
 
 ## Signature of commit
 
@@ -13,7 +13,7 @@ grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
 
 ## Pull requests
 
-When creating pull request, please heed the following:
+When creating a pull request, please heed the following:
 
 - Base your code on the latest master branch to avoid manual merges
 - Code review may ensue in order to help shape your proposal