diff --git a/developer_manual/design/content.rst b/developer_manual/design/content.rst
index 639abb44e..ba1b774cb 100644
--- a/developer_manual/design/content.rst
+++ b/developer_manual/design/content.rst
@@ -53,7 +53,7 @@ Rules and information
 
 * You cannot nor need to modify the header or the outside elements of your application.
 * The whole body needs to scroll to be compatible with the mobile views. Therefore the sidebar and the app-navigation are fixed/sticky.
-* Unless you application does not require a scrollable area, do not use any overflow properties on the parents of your content.
+* Unless your application does not require a scrollable area, do not use any overflow properties on the parents of your content.
 * The ``app-navigation-toggle`` is automatically injected. The navigation hide/show is automatically managed.
 * Do not use ``#content-wrapper`` anymore
 * If your app is injecting itself by replacing the #content element, make sure to keep the ``#content`` id