diff --git a/reference/twig_reference.rst b/reference/twig_reference.rst
index 55e55195f2c..f1b4d664ef9 100644
--- a/reference/twig_reference.rst
+++ b/reference/twig_reference.rst
@@ -418,7 +418,8 @@ humanize
     **type**: ``string``
 
 Makes a technical name human readable (i.e. replaces underscores by spaces
-and capitalizes the string).
+or transforms camelCase text like ``helloWorld`` to ``hello world``
+and then capitalizes the string).
 
 trans
 ~~~~~