diff --git a/pages/common/st-util.md b/pages/common/st-util.md
index 3ffd7b146..2183ef75b 100644
--- a/pages/common/st-util.md
+++ b/pages/common/st-util.md
@@ -4,11 +4,11 @@
 
 - Run GDB server on port 4500:
 
-`st-util --listen_port {{4500}}`
+`st-util -p {{4500}}`
 
 - Connect to GDB server:
 
-`(gdb) target extended-remote localhost:4500`
+`(gdb) target extended-remote {{localhost}}:4500`
 
 - Write firmware to device: