diff --git a/src/main/java/co/aurasphere/botmill/fb/model/incoming/callback/Referral.java b/src/main/java/co/aurasphere/botmill/fb/model/incoming/callback/Referral.java
index <HASH>..<HASH> 100644
--- a/src/main/java/co/aurasphere/botmill/fb/model/incoming/callback/Referral.java
+++ b/src/main/java/co/aurasphere/botmill/fb/model/incoming/callback/Referral.java
@@ -65,7 +65,7 @@ public class Referral implements Serializable {
 	// TODO: https://github.com/BotMill/fb-botmill/issues/19
 	/**
 	 * The source of this referral. Currently, the only possible value is
-	 * �SHORTLINK�.
+	 * "SHORTLINK".
 	 */
 	private String source;
Fixed the unicode character that's preventing the CI build