diff --git a/pkg/node/controller.go b/pkg/node/controller.go
index 37bcb41..d1eeef8 100644
--- a/pkg/node/controller.go
+++ b/pkg/node/controller.go
@@ -294,16 +294,15 @@ func (c *Controller) PingPeer(peerID string) (float64, error) {
 		return 0, err
 	}
 
-	// Calculate round-trip time
-	rtt := time.Since(sentAt).Seconds() * 1000 // Convert to ms
+	roundTripTime := time.Since(sentAt).Seconds() * 1000 // milliseconds
 
 	// Update peer metrics
 	peer := c.peers.GetPeer(peerID)
 	if peer != nil {
-		c.peers.UpdateMetrics(peerID, rtt, peer.GeoKM, peer.Hops)
+		c.peers.UpdateMetrics(peerID, roundTripTime, peer.GeoKM, peer.Hops)
 	}
 
-	return rtt, nil
+	return roundTripTime, nil
 }
 
 // ConnectToPeer establishes a connection to a peer.