diff --git a/user_guide_src/source/incoming/routing.rst b/user_guide_src/source/incoming/routing.rst
index aa388ecde70f..c2f5977384a2 100644
--- a/user_guide_src/source/incoming/routing.rst
+++ b/user_guide_src/source/incoming/routing.rst
@@ -476,9 +476,12 @@ by passing the "hostname" option along with the desired domain to allow it on as
 This example would only allow the specified hosts to work if the domain exactly matched **accounts.example.com**.
 It would not work under the main site at **example.com**.
 
+Restrict by Multiple Hostnames
+------------------------------
+
 .. versionadded:: 4.6.0
 
-Also you can restrict with multiple hostname, e.g:
+Also you can restrict by multiple hostnames, e.g:
 
 .. literalinclude:: routing/073.php