diff --git a/action.yml b/action.yml
index 3cdda47..87c6b21 100644
--- a/action.yml
+++ b/action.yml
@@ -1,5 +1,5 @@
 name: Increment Semantic Version
-description: Bump a given semantic version by a release type ( major | minor | patch ) and add a possible postfix
+description: Bump a given semantic version by a release type ( major | minor | patch ) and add a possible postfix ( alpha | beta | rc )
 author: Christian Dräger
 branding:
   icon: 'tag'