Apply suggestions from code review

Author: Borda

CHANGELOG.md

@@ -66,7 +66,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 
 - Deprecated metrics in favor of `torchmetrics` ([#6505](https://github.com/PyTorchLightning/pytorch-lightning/pull/6505),
-    [#6515](https://github.com/PyTorchLightning/pytorch-lightning/pull/6515))
+
+
+    [#6515](https://github.com/PyTorchLightning/pytorch-lightning/pull/6515),
+    
+    )
 
 
 ### Removed