diff --git a/tools/shell/src/shellEngine.c b/tools/shell/src/shellEngine.c
index 1a05d3e1f6..f56a9797f3 100644
--- a/tools/shell/src/shellEngine.c
+++ b/tools/shell/src/shellEngine.c
@@ -1392,6 +1392,7 @@ int32_t shellExecute() {
   }
 #endif
 #endif
+    // printf version
     if (verType == TSDB_VERSION_ENTERPRISE || verType == TSDB_VERSION_CLOUD) {
       printf("%s\n", buf);
     }