Update public/DrawHandler.js

public/DrawHandler.js

@@ -21,13 +21,15 @@ class DrawHandler {
       this.eraserRadius = 10;
       
       this.pencil_btn = createButton('<i class="fa-solid fa-pencil"></i>');
-      this.pencil_btn.mousePressed(this.pickPencil.bind(this));
+      this.pencil_btn.mousePressed(this.pickPencil.bind(this))
+        .attribute('title', 'Pick pencil');
       this.pencil_btn.parent('left-panel');
       this.pencil_active = true;
       this.pencil_btn.addClass('tool-active');
       
       this.eraser_btn = createButton('<i class="fa-solid fa-eraser"></i>');
-      this.eraser_btn.mousePressed(this.pickEraser.bind(this));
+      this.eraser_btn.mousePressed(this.pickEraser.bind(this))
+        .attribute('title', 'Pick rubber');
       this.eraser_btn.parent('left-panel');
       this.eraser_active = false;
     }