Correct comment

Author: johnnymo87

CHANGELOG.md

@@ -4,6 +4,10 @@
 
 Breaking changes:
 
+Fixes:
+
+- [#1887](https://github.com/rails-api/active_model_serializers/pull/1887) Make the comment reflect what the function does (@johnnymo87)
+
 Features:
 
 - [#1791](https://github.com/rails-api/active_model_serializers/pull/1791) (@bf4, @youroff, @NullVoxPopuli)

lib/active_model_serializers/serializable_resource.rb

@@ -49,7 +49,7 @@ def serializer_instance
 
     # Get serializer either explicitly :serializer or implicitly from resource
     # Remove :serializer key from serializer_opts
-    # Replace :serializer key with :each_serializer if present
+    # Remove :each_serializer if present and set as :serializer key
     def serializer
       @serializer ||=
         begin