Update README.markdown

mlh758 · mlh758 · commit 1f4db1fd70e8 · 2016-03-30T09:37:04.000-05:00
diff --git a/README.markdown b/README.markdown
@@ -11,3 +11,5 @@ MultiSelect is dual-licensed under the [GPL 2 license](https://github.com/ehynds
 # Contributing
 
 When submitting a pull request, please describe the change you are making - preferably with a use case. Unit tests are now (14 March 2016) required for the pull to be merged.
+
+Please do not submit minified code in your pull request, that tends to cause merge conflicts.
