diff --git a/README.md b/README.md
index 6ccaa47..1ca5ee9 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Make sure to __watch__ this repository to get notified on updates (usually updat
 
 [Fortigate debug and diagnose commands complete cheat sheet](cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.adoc) | [PDF](cheat-sheets/Fortigate-debug-diagnose-complete-cheat-sheet.pdf)
 
-[**Fortigate SSL VPN Hardening Guide**](cheat-sheets/fortigate-ssl-vpn-hardening-guide.adoc) | [PDF](cheat-sheets/fortigate-ssl-vpn-hardening-guide.pdf)
+[**Fortigate SSL VPN Hardening Guide**](cheat-sheets/fortigate-ssl-vpn-hardening-guide.adoc) [RU](https://habr.com/ru/articles/734044/) | [PDF](cheat-sheets/fortigate-ssl-vpn-hardening-guide.pdf)
 
 [Fortianalyzer diagnose and debug cheat sheet](cheat-sheets/Fortianalyzer-debug-cheat-sheet.adoc) | [PDF](cheat-sheets/Fortianalyzer-debug-cheat-sheet.pdf)
 
diff --git a/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc b/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
index 44da566..7722327 100644
--- a/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
+++ b/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
@@ -59,7 +59,7 @@ else helps.
 |*firewall-cmd --list-all-zones*
 |List all zones with their rules and associated interfaces.
 
-|*firewall-cmd -add-service <service name>*
+|*firewall-cmd --add-service <service name>*
 |Add predefined service by name to the default zone, with action ACCEPT, e.g. `firewall-cmd -add-service ftp` .