Update README.md

Author: cclauss

README.md

@@ -1,5 +1,4 @@
-## GitHub Action to find Python 3 syntax errors and undefined names
-
+## A GitHub Action that finds Python syntax errors and undefined names in your repo
 An action that runs selected [flake8](http://flake8.pycqa.org) tests on the Python code in your repo.
 If ___syntax errors or undefined names___ are found in the Python code then the Action will fail.