diff --git a/admin_manual/configuration_server/activity_configuration.rst b/admin_manual/configuration_server/activity_configuration.rst
index 803377935..445ab5cf4 100644
--- a/admin_manual/configuration_server/activity_configuration.rst
+++ b/admin_manual/configuration_server/activity_configuration.rst
@@ -29,7 +29,7 @@ Furthermore it is recommended to configure the background job ``Webcron`` or
 
 There is also a configuration option ``activity_expire_days`` available in your
 ``config.php`` (See :doc:`config_sample_php_parameters`) which allows
-you to clean-up older activies from the database.
+you to clean-up older activities from the database.
 
 Better scheduling of activity emails
 ------------------------------------