Slight improvement to the building panel.

src/hud/BuildingPanel.svelte

@@ -27,7 +27,7 @@
 <section>
     <div class="building-panel">
         <header>
-            <h1>Building</h1>
+            <h1>{ building.name } ({ building.level })</h1>
             <span class="close">
                 <button on:click={ close }>X</button>
             </span>
@@ -41,7 +41,6 @@
         </div>
         <div class="upgrade">
             <div>
-                <p>{ building.name } ({ building.level })</p>
                 <button on:click={ () => upgrade() }>Upgrade</button>
             </div>
         </div>