Fix minor grammar typos

Author: Omranic

CONTRIBUTING.md

@@ -15,8 +15,8 @@ Releases will be numbered with the following format:
 And constructed with the following guidelines:
 
 - Breaking backward compatibility bumps the major and resets the minor and patch.
-- New additions without breaking backward compatibility bumps the minor and resets the patch.
-- Bug fixes and misc changes bumps the patch.
+- New additions without breaking backward compatibility bump the minor and reset the patch.
+- Bug fixes and misc changes bump the patch.
 
 
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