diff --git a/admin_manual/configuration_server/bruteforce_configuration.rst b/admin_manual/configuration_server/bruteforce_configuration.rst
index e0b713719..cf78674c7 100644
--- a/admin_manual/configuration_server/bruteforce_configuration.rst
+++ b/admin_manual/configuration_server/bruteforce_configuration.rst
@@ -19,7 +19,7 @@ brute force protection kicking in.
 
 The maximum delay is 25 seconds.
 
-After a successfull login the attempts will be cleared. And once a user is
+After a successful login the attempts will be cleared. And once a user is
 properly authenticated they will not longer be hit by the delay.