Add missing words in Access Control text

Author: jmikola

source/reference/command/killAllSessionsByPattern.txt

@@ -86,7 +86,7 @@ Access Control
 --------------
 
 If the deployment enforces authentication/authorization, you must have
-the :authaction:`killAnySession` to run the
+the :authaction:`killAnySession` privilege action to run the
 :dbcommand:`killAllSessionsByPattern` command.
 
 For patterns that include ``users`` or ``roles``, you must also have
@@ -95,7 +95,7 @@ resource.
 
 .. note::
 
-   Users can kill their own sessions even without
+   Users can kill their own sessions even without the
    :authaction:`killAnySession` privilege action.
 
 Examples