diff --git a/upload-sarif/action.yml b/upload-sarif/action.yml
index 16f4daad6..5a34a3e40 100644
--- a/upload-sarif/action.yml
+++ b/upload-sarif/action.yml
@@ -14,10 +14,10 @@ inputs:
     required: false
     default: ${{ github.workspace }}
   ref:
-    description: "The ref where results will be uploaded. If not provided, the Action will use the GITHUB_REF environment variable."
+    description: "The ref where results will be uploaded. If not provided, the Action will use the GITHUB_REF environment variable. If provided, the sha input must be provided as well."
     required: false
   sha:
-    description: "The hash of the HEAD of the ref where results will be uploaded. If not provided, the Action will use the GITHUB_SHA environment variable."
+    description: "The sha of the HEAD of the ref where results will be uploaded. If not provided, the Action will use the GITHUB_SHA environment variable. If provided, the ref input must be provided as well."
     required: false
   token:
     default: ${{ github.token }}