diff --git a/server/static/map.js b/server/static/map.js
index 8b3048d..c342d01 100644
--- a/server/static/map.js
+++ b/server/static/map.js
@@ -10,7 +10,7 @@ export class MapView {
     this.target = null;
     this.nodes = [];
     this.nodeSprites = new Map();
-    this.otherSprites = new Map(); // id -> { img,label }
+    this.otherSprites = new Map(); // socket.id -> { img,label }
   }
 
   create(me, world, nodes) {
@@ -22,22 +22,21 @@ export class MapView {
     // background
     this.scene.add.rectangle(W / 2, H / 2, W, H, 0x020617).setDepth(-100);
 
-    // player
+    // player sprite
     this.player = this.scene.add.image(me.x, me.y, 'player').setDepth(10);
     this.nameText = this.scene
-      .add.text(me.x, me.y - 22, me.name || 'You', {
+      .add.text(me.x, me.y - 22, me.username || me.name || 'You', {
         fontSize: '12px',
         color: '#e5e7eb'
       })
       .setOrigin(0.5);
 
-    // camera
+    // camera follow
     const cam = this.scene.cameras.main;
     cam.setBounds(0, 0, W, H);
     cam.startFollow(this.player, true, 0.15, 0.15);
     cam.setZoom(this.config.zoom);
 
-    // nodes
     this.replaceNodes(nodes || []);
   }
 
@@ -51,7 +50,6 @@ export class MapView {
   }
 
   replaceNodes(list) {
-    // remove existing
     for (const sprite of this.nodeSprites.values()) {
       sprite.destroy();
     }
@@ -120,7 +118,6 @@ export class MapView {
         rec.label.setPosition(p.x, p.y - 22);
       }
     }
-    // remove missing
     for (const [id, rec] of this.otherSprites) {
       if (!seen.has(id)) {
         rec.img.destroy();