Improve the use of English a bit

Author: bbatsov

README.md

@@ -1448,7 +1448,7 @@ caused by interactions with other packages.
 
 ### Patches
 
-Patches under any form are always welcome! GitHub pull requests are even better! :-)
+Patches in any form are always welcome! GitHub pull requests are even better! :-)
 
 Before submitting a patch or a pull request make sure all tests are
 passing and that your patch is in line with the [contribution