s/action/actual

Author: domdfcoding

README.rst

@@ -8,7 +8,7 @@ pytest-mypy-plugin-shim
 
 .. end short_desc
 
-See https://github.com/TypedDjango/pytest-mypy-plugins for the action pytest plugin.
+See https://github.com/TypedDjango/pytest-mypy-plugins for the actual pytest plugin.
 
 
 .. start shields