diff --git a/contributing/documentation/format.rst b/contributing/documentation/format.rst
index 07adc038d6d..2c910bbf67f 100644
--- a/contributing/documentation/format.rst
+++ b/contributing/documentation/format.rst
@@ -149,6 +149,8 @@ You can also add links to the API documentation:
 
 .. code-block:: rst
 
+    :namespace:`Symfony\\Component\\BrowserKit`
+
     :class:`Symfony\\Component\\Routing\\Matcher\\ApacheUrlMatcher`
 
     :method:`Symfony\\Component\\HttpKernel\\Bundle\\Bundle::build`