diff --git a/src/scriptlets/index.js b/src/scriptlets/index.js
index c2ca22f7..c3d618e8 100644
--- a/src/scriptlets/index.js
+++ b/src/scriptlets/index.js
@@ -37,6 +37,8 @@ function getScriptletCode(source) {
     }
 
     const scriptletFunction = getScriptletFunction(source.name);
+    // In case isValidScriptletName check will pass invalid scriptlet name,
+    // for example when there is a bad alias
     if (typeof scriptletFunction !== 'function') {
         throw new Error(`Error: cannot invoke scriptlet with name: '${source.name}'`);
     }