message: Minor correction to deprecated_alias doc-string.
diff: @@ -149,7 +149,7 @@ def deprecated_alias(deprecated_name, name, func_or_class, warn_once=True):
  DeprecatedNameForClass = deprecated_alias(
  deprecated_name='module2.DeprecatedNameForClass',
  name='module1.NewNameForClass',
  - module1.NewNameForClass)
  + func_or_class=module1.NewNameForClass)
  ```
  This function works for classes and functions.
  