Update README.md

Author: Faramour

README.md

@@ -10,6 +10,7 @@ Recommended to only use on test servers as the command is available for all play
 - Install [Sourcemod 1.12.6922](https://sm.alliedmods.net/downloads.php?branch=dev) or above
 - Install this plugin
 - Load the map you want to create a config for
+- Make sure that the directory exists before creating a config file
 - Use command `sm_ewmake`
 - Tweak the generated values for name, color, mode, cooldown, maxuses
 - Done