Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -4,9 +4,10 @@
 
 Here are a few guidelines for contributing:
 
+* If you would like to contribute to the codebase **please raise an issue to propose the change** and fill out the whole template.
+
 * If you have found a bug please raise an issue and fill out the whole template.
 * Don't raise PRs for typos, these aren't necessary - just raise an Issue
-* If you would like to contribute to the codebase please raise an issue to propose the change and fill out the whole template.
 * If the documentation can be improved / translated etc please raise an issue to discuss. 
 
 * Please always provide a summary of what you changed, how you did it and how it can be tested.