[upd] update rules part

src/App.vue

@@ -74,8 +74,9 @@ function onClick(e: any) {
     </div>
     <div>
       <aside class="aside">
+        <h1>Wellcome !</h1>
         <ul>
-          <li>This computer deals with positive & negative values</li>
+          <li>This calculator deals with positive & negative values</li>
           <li>
             You can do simple operation (+, -, *, /, =) or cumul many operations
           </li>