diff --git a/guide/src/cli/arg-watcher.md b/guide/src/cli/arg-watcher.md
index 9a3aec16..bddf2dd2 100644
--- a/guide/src/cli/arg-watcher.md
+++ b/guide/src/cli/arg-watcher.md
@@ -1,4 +1,4 @@
-#### --watcher
+#### `--watcher`
 
 There are different backends used to determine when a file has changed.