diff --git a/HELP.md b/HELP.md
index 369cb679..c47eb36d 100644
--- a/HELP.md
+++ b/HELP.md
@@ -258,7 +258,7 @@ iptables -t nat -D PREROUTING 1
 ```
 
 ### nginx
-Get [nginx](http://nginx.org/ "nginx"). On linux it could be done this way:
+Get [nginx](http://nginx.org/ "nginx"). On Linux it could be done this way:
 
 ```sh
 sudo apt-get install nginx #for ubuntu and debian