diff --git a/rate-limmiter.md b/rate-limmiter.md
index 5a8edc0..e0e7b3a 100644
--- a/rate-limmiter.md
+++ b/rate-limmiter.md
@@ -1,3 +1,4 @@
+```
 FUNCTION "FC_RateLimiter" : Void
 { S7_Optimized_Access := 'TRUE' }
 VERSION : 0.1
@@ -70,4 +71,6 @@ BEGIN
 	// Store for next scan
 	#prev_output := #rate_limited_output;
 	
-END_FUNCTION
\ No newline at end of file
+END_FUNCTION
+
+```
\ No newline at end of file