Fix Werk text

Change-Id: I665298f59351e44e25f9a9b1fab1b460c11c289c

Author: andiumbreit

.werks/18276.md

@@ -1,5 +1,5 @@
 [//]: # (werk v2)
-# Linux remote alert handlers
+# Linux remote alert handlers: Duplicated SSH keys
 
 key        | value
 ---------- | ---
@@ -11,7 +11,7 @@ component  | agents
 level      | 1
 compatible | yes
 
-When copying already created rule of the _Remote alert handlers (Linux)_, the copy ends up with the same SSH key as the original.
+When copying an already created rule of the _Remote alert handlers (Linux)_, the copy ends up with the same SSH key as the original.
 
 While this situation is valid and no problem in itself, it finally can lead to the problem of duplicated SSH keys in the `~/.ssh/authorized_keys` file of the target user(s) on the target system.<br>
 Since this is not allowed, all entries after the first one do get ignored.<br>