Update README.md

Author: lessw2020

README.md

@@ -3,7 +3,8 @@
 Ranger - a synergistic optimizer combining RAdam (Rectified Adam) and LookAhead, and now GC (gradient centralization) in one optimizer.
 </br>
 
-## quick note - Ranger21 is now in beta and is Ranger with a host of new improvements.  Recommend you compare results with Ranger21:  https://github.com/lessw2020/Ranger21
+### quick note - Ranger21 is now in beta and is Ranger with a host of new improvements.  
+Recommend you compare results with Ranger21:  https://github.com/lessw2020/Ranger21
 
 ### Latest version 20.9.4 - updates Gradient Centralization to GC2 (thanks to GC developer) and removes addcmul_ deprecation warnings in PyTorch 1.60. 
 </br> </br>