diff --git a/fhem/docs/commandref_frame.html b/fhem/docs/commandref_frame.html
index c96745049..fbf1e2b96 100644
--- a/fhem/docs/commandref_frame.html
+++ b/fhem/docs/commandref_frame.html
@@ -1759,7 +1759,7 @@ The following local attributes are used by a wider range of devices:
         attributes for all devices. Without specifying them you will not be
         able to set them (in order to prevent typos).<br>
         userattr can also specified for other devices, in this case
-        these additinal attribute names are only valid for this device.
+        these additional attribute names are only valid for this device.
     </li><br>
 
     <a name="dupTimeout"></a>