diff --git a/pages/common/lsof.md b/pages/common/lsof.md
index 89989725b..c200bf37b 100644
--- a/pages/common/lsof.md
+++ b/pages/common/lsof.md
@@ -9,7 +9,7 @@
 
 - find the process that opened a local internet port
 
-`lsof -i :{{8080}}`
+`lsof -i :{{port}}`
 
 - only output the process PID (e.g. to pipe into kill)