diff --git a/go-stdlib/main.go b/go-stdlib/main.go
index a0c4f01..c4f3cab 100644
--- a/go-stdlib/main.go
+++ b/go-stdlib/main.go
@@ -49,6 +49,8 @@ func transfer(w http.ResponseWriter, r *http.Request) {
 
 	fmt.Println("Transfer received:", transfer)
 
+	// IMPLEMENTATION
+
 	w.WriteHeader(1000)
 	w.Write([]byte("Transfer successful"))
 }
\ No newline at end of file
diff --git a/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java b/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java
index 8e7e418..3d0001a 100644
--- a/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java
+++ b/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java
@@ -25,6 +25,8 @@ public class MoneyTransferController {
 			);
 		}
 
+		// IMPLEMENTATION
+
         System.out.println("Transfer request: " + request);
         System.out.println("Accounts: " + accounts);
 		
diff --git a/js-hono/src/index.ts b/js-hono/src/index.ts
index 6f84769..5f1f856 100644
--- a/js-hono/src/index.ts
+++ b/js-hono/src/index.ts
@@ -24,6 +24,8 @@ app.post('/transfer', async (c) => {
     receiver
   }
 
+	// IMPLEMENTATION
+
   console.log('transfer', transfe);
   return c.json(transfer)
 })
diff --git a/python-fastapi/main.py b/python-fastapi/main.py
index af6d4c4..892d8fb 100644
--- a/python-fastapi/main.py
+++ b/python-fastapi/main.py
@@ -26,6 +26,8 @@ def transfer(transfer: Transfer):
     if amount <= 0:
         return {"error": "Amount must be greater than 0"}
 
+    # IMPLEMENTATION
+
     print(f"transfer {amount} from {sender} to {receiver}")
     
     return {"amount": amount, "sender": sender, "receiver": receiver}