diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0482f316..9f093ccb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -37,11 +37,13 @@ Before sending your pull request for review, make sure your changes are consiste
     *   Prove that your code works correctly.
     *   Guard against future breaking changes to lower the maintenance cost.
     
+    
 *   Bug fixes also generally require unit tests, because the presence of bugs usually indicates insufficient test coverage.
 *   Keep backward compatibility in mind when you change code in CERC Libs, and if you need to broke the backward compatibility, please ensure that you:
     *   Clearly indicate which features are affected by your changes.
     *   Technical reasons for the changes. 
     
+    
 *   Tests should follow the
     [testing best practices](CONTRIBUTING.md#user-content-testing-best-practices)
     guide.