diff --git a/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc b/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
index eef247b..44da566 100644
--- a/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
+++ b/cheat-sheets/Linux-and-BSD-firewalls-cheat-sheet.adoc
@@ -73,7 +73,7 @@ else helps.
 |Description
 
 |*firewall-cmd --add-port=_port-number_/_protocol_*
-|Open incoming _port-number_ of the _protocol_. E.g. open incoming TCP port
+|Open in incoming _port-number_ of the _protocol_. E.g. open incoming to TCP port
 5900 from any: `firewall-cmd --add-port=5900/tcp`