check_vpn: updated README.md

check_vpn/README.md

@@ -132,7 +132,10 @@ To use locking you need ot specify <i>-l</i> or <i>--lock</i>. For instance the
 
 Generally speaking I would encourage running check_vpn with the <i>--lock</i> option as it can avoid many problems. Should the lock file get stuck and undeleted for any reason please:
  * Fill in an issue of how to reproduce
- * rmdir /var/run/check_vpn
+ * Run:
+```
+rmdir /var/run/check_vpn
+```
 
 ## Limitations
 
@@ -184,8 +187,6 @@ declare -i device_number=$(expr `echo another-host.openvpn.vpn.com | cksum | cut
 # device_number=168
 ```
 
-This was tested fully with OpenVPN and SSH, however I still need to setup a proper test environment for L2TP and PPTP.
-
 In case multiple access is still being an issue, please refer to the section about [Locking](README.md#locking).
 
 ### Same IP, Different Interface