diff --git a/src/core/methods/signMessage/signMessage.ts b/src/core/methods/signMessage/signMessage.ts
index 8e7bca2..cc96f2e 100644
--- a/src/core/methods/signMessage/signMessage.ts
+++ b/src/core/methods/signMessage/signMessage.ts
@@ -15,6 +15,7 @@ export interface SignMessageType {
   };
 }
 
+// TODO: upgrade to Message
 export const signMessage = async ({
   message,
   callbackRoute,