diff --git a/doc/source/ref/horizon.rst b/doc/source/ref/horizon.rst
index cc4b2d7099..790326c1dc 100644
--- a/doc/source/ref/horizon.rst
+++ b/doc/source/ref/horizon.rst
@@ -17,7 +17,7 @@ Horizon
 
 .. attribute:: urls
 
-    The auto-generated URLconf for Horizon. Usage::
+    The auto-generated URLconf for horizon. Usage::
 
         url(r'', include(horizon.urls)),