symfony
diff --git a/‎components/config/definition.rst
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+9Lines changed: 9 additions & 0 deletions b/‎components/config/definition.rst
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+9Lines changed: 9 additions & 0 deletions
@@ -281,6 +281,15 @@ has a certain value:
         ->end()
     ;
 
+Documenting the Option
+----------------------
+
+All options can be documented using the
+:method:`Symfony\\Component\\Config\\Definition\\Builder\\NodeDefinition::info`
+method.
+
+The info will be printed as a comment when dumping the configuration tree.
+
 Optional Sections
 -----------------