Update README.MD

Kaizhe · web-flow · commit 55cc2da324b4 · 2020-01-28T16:04:15.000-08:00
diff --git a/README.MD b/README.MD
@@ -42,6 +42,7 @@ The plugin will be available as `kubectl advise-psp`.
 - privileged
 - readOnlyRootFilesystem
 - runAsUser
+- runAsGroup
 - Volume
 
 ## Limitations
