Merge pull request rails#50613 from sato11/use-third-person-singular-form

Replace "Return" with "Returns" in API documentations [ci-skip]

Author: jonathanhefner

activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb

@@ -475,8 +475,7 @@ def num_waiting_in_queue # :nodoc:
         @available.num_waiting
       end
 
-      # Return connection pool's usage statistic
-      # Example:
+      # Returns the connection pool's usage statistic.
       #
       #    ActiveRecord::Base.connection_pool.stat # => { size: 15, connections: 1, busy: 1, dead: 0, idle: 0, waiting: 0, checkout_timeout: 5 }
       def stat

activerecord/lib/active_record/connection_handling.rb

@@ -256,7 +256,7 @@ def connection
 
     attr_writer :connection_specification_name
 
-    # Return the connection specification name from the current class or its parent.
+    # Returns the connection specification name from the current class or its parent.
     def connection_specification_name
       if @connection_specification_name.nil?
         return self == Base ? Base.name : superclass.connection_specification_name