diff --git a/.github/workflows/build_iwasm_release.yml b/.github/workflows/build_iwasm_release.yml
index a975d58073..6acd90fa64 100644
--- a/.github/workflows/build_iwasm_release.yml
+++ b/.github/workflows/build_iwasm_release.yml
@@ -23,7 +23,7 @@ on:
         type: string
         required: true
       upload_url:
-        description: a semantic version number. it is required when `release` is true.
+        description: upload binary assets to the URL of release
         type: string
         required: false
       ver_num:
diff --git a/.github/workflows/build_wamrc.yml b/.github/workflows/build_wamrc.yml
index 55d63f13ba..07e3c7cdb0 100644
--- a/.github/workflows/build_wamrc.yml
+++ b/.github/workflows/build_wamrc.yml
@@ -23,7 +23,7 @@ on:
         type: string
         required: true
       upload_url:
-        description: a semantic version number. it is required when `release` is true.
+        description: upload binary assets to the URL of release
         type: string
         required: false
       ver_num: