Update src/TwigComponent/doc/index.rst

Co-authored-by: Ryan Weaver <[email protected]>

Author: WebMamba

src/TwigComponent/doc/index.rst

@@ -874,7 +874,7 @@ You can pass props to your component by using HTML attributes. Suppose you have
 
 .. code-block:: html+twig
 
-    // Warning will be set to true
+    // "warning" property will be set to true
     <twig:Alert warning></:Alert>
 
     <twig:Alert message="hello" :user="user"/>