diff --git a/.github/workflows/dispatch_component.yml b/.github/workflows/dispatch_component.yaml
similarity index 98%
rename from .github/workflows/dispatch_component.yml
rename to .github/workflows/dispatch_component.yaml
index 87efefe..5b92402 100644
--- a/.github/workflows/dispatch_component.yml
+++ b/.github/workflows/dispatch_component.yaml
@@ -26,6 +26,7 @@ on:
           - 'PHP8.2/MySQL8.0'
           - 'PHP8.3/MySQL5.7'
           - 'PHP8.3/MySQL8.0'
+        description: 'Limit run to one PHP/MySQL combination'
         default: 'PHP8.1/MySQL5.7'
       custom_testplan:
         type: string