Update doc

documentation/modules/exploit/linux/http/mailcleaner_exec.md

@@ -12,15 +12,15 @@ At the time of this writing all the passwords of users such as root or admin use
 
 A successful check of the exploit will look like this:
 
-- [ ] Start `msfconsole`
-- [ ] `use use exploit/linux/http/mailcleaner`
-- [ ] Set `RHOST`
-- [ ] Set `LHOST`
-- [ ] Set `USERNAME`
-- [ ] Set `PASSWORD`
-- [ ] Run `exploit`
-- [ ] **Verify** that you are seeing ` Awesome..! Authenticated`.
-- [ ] **Verify** that you are getting `meterpreter` session.
+1. Start `msfconsole`
+2. `use use exploit/linux/http/mailcleaner`
+3. Set `RHOST`
+4. Set `LHOST`
+5. Set `USERNAME`
+6. Set `PASSWORD`
+7. Run `exploit`
+8. **Verify** that you are seeing ` Awesome..! Authenticated`.
+9. **Verify** that you are getting `meterpreter` session.
 
 ## Scenarios