diff --git a/guide.md b/guide.md
index 6be11b13..7aa23a63 100644
--- a/guide.md
+++ b/guide.md
@@ -198,7 +198,7 @@ script:
 command=
 command_args=
 pidfile=
-``
+```
 
 Thus the 'smallest' service scripts can be half a dozen lines long