diff --git a/Docs/XXMessengerClient.md b/Docs/XXMessengerClient.md
index 7b29ad5714f6dd32a59f83b3a6673380b55a4978..4db0098b6a4f9a18df063189c172ec8a3f275f56 100644
--- a/Docs/XXMessengerClient.md
+++ b/Docs/XXMessengerClient.md
@@ -26,7 +26,7 @@ let messenger: Messenger = .live(environment)
 
 Example:
 
-```
+```swift
 func start(messenger: Messenger) throws {
   // check if messenger is loaded:
   if messenger.isLoaded() == false {