Update misc-3-release-notes.md

Julien Poulton · Julien Poulton · commit 11f35c3b640a · 2019-09-19T13:15:01.000Z
diff --git a/playground/misc/misc-3-release-notes.md b/playground/misc/misc-3-release-notes.md
@@ -2,7 +2,7 @@
 
 The CodinGame SDK is regularly updated and improved. This document lets you know what changed in the latest releases.
 
-# Next Release
+## Next Release
 
 ### 🎁 New features
 
