diff --git a/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc b/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
index f0c5087..eef247b 100644
--- a/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
+++ b/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
@@ -74,7 +74,7 @@ else helps.
 
 |*firewall-cmd --add-port=_port-number_/_protocol_*
 |Open incoming _port-number_ of the _protocol_. E.g. open incoming TCP port
-5900 rom any: `firewall-cmd --add-port=5900/tcp`
+5900 from any: `firewall-cmd --add-port=5900/tcp`
 
 
 |*firewall-cmd --remove-port=_port-number_/_protocol_*