diff --git a/doc/filters/json_encode.rst b/doc/filters/json_encode.rst
index f02a7a89a..4a8635a9b 100644
--- a/doc/filters/json_encode.rst
+++ b/doc/filters/json_encode.rst
@@ -17,7 +17,7 @@ Arguments
 * ``options``: A bitmask of `json_encode options`_: ``{{
   data|json_encode(constant('JSON_PRETTY_PRINT')) }}``.
   Combine constants using :ref:`bitwise operators<template_logic>`:
-  ``{{ data|json_encode(constant('JSON_PRETTY_PRINT') b-or constant('JSON_HEX_QUOT') }}``
+  ``{{ data|json_encode(constant('JSON_PRETTY_PRINT') b-or constant('JSON_HEX_QUOT')) }}``
 
 .. _`json_encode`: https://secure.php.net/json_encode
 .. _`json_encode options`: https://secure.php.net/manual/en/json.constants.php