Update README.md

README.md

@@ -4,8 +4,10 @@
 # verify-changed-files
 A github action to verify that certian files did or did not change during a workflow execution.
 
+
 > NOTE: :warning:
 > * This action only detects files that have pending uncommited changes generated during the workflow execution, for running a specific step when a file changes relative to the default branch see: https://github.com/tj-actions/changed-files
+> * Detects files that were `Added`, `Copied`, `Modified` and `Renamed`.
 
 
 ```yaml