Backup docs: use less ambigous language in describing backup user/pass params

Author: cspeterson

REFERENCE.md

@@ -713,15 +713,15 @@ The following parameters are available in the `mysql::server::backup` class.
 
 Data type: `Any`
 
-MySQL user with backup administrator privileges.
+MySQL user to create with backup administrator privileges.
 
 Default value: `undef`
 
 ##### `backuppassword`
 
 Data type: `Any`
 
-Password for `backupuser`.
+Password to create for `backupuser`.
 
 Default value: `undef`
 

manifests/server/backup.pp

@@ -17,9 +17,9 @@
 #   }
 #
 # @param backupuser
-#   MySQL user with backup administrator privileges.
+#   MySQL user to create with backup administrator privileges.
 # @param backuppassword
-#   Password for `backupuser`.
+#   Password to create for `backupuser`.
 # @param backupdir
 #   Directory to store backup.
 # @param backupdirmode