Whitespace fix

Author: jeffrey-cordero

_docs/sysadmin/troubleshooting/system_debugging.md

@@ -47,7 +47,7 @@ redirect_from:
 
   ```
   tail -n 50 /var/local/submitty/site_errors/<TODAYS_DATE>.log
-  ```
+  ``` 
 
 
 * Look for errors in the apache log:
@@ -68,9 +68,6 @@ redirect_from:
   /var/log/services/YYYYMMDD.txt
   ```
 
-
-
-
 * Check the SSL keys / certificates for apache & nginx.
   Look for ssl key & certificate files specified in the enabled
   `.conf` files for apache & nginx: