Installation-guide.md

@@ -72,7 +72,7 @@ next paste in the following:
 
 `#cp FreeDMR-SAMPLE.cfg config/FreeDMR.cfg`
 
-`#cp rules_SAMPLE.py config/rules.py
+`#cp rules_SAMPLE.py config/rules.py`
 
 Using your favourite editor, edit the file config/FreeDMR.cfg