added refresh button

index.html

@@ -28,6 +28,9 @@
 </details>
 
         <span>
+          <br>
+          <div><button @click="getCredits(); getPricingInfo();">Refresh Credits</button></div>
+          <br>
           <div v-if="RegExp('^[0-9]+$').test(ownedNumber)"><span>Phone Number: </span>{{ formatPhone(ownedNumber) }}</div>
           <div v-else><span>Phone Number: </span>{{ ownedNumber }}</div>
         </span>
@@ -44,7 +47,7 @@
               <tbody>
                 <tr v-for="(number,i) in availableNumbers" :key="i">
                    <th scope="row" v-if="number">{{ formatPhone(number)  }}</th>
-                   <td><button @click="buyNum" v-if="number" :data-number="number">Buy</button></td>
+                   <td><button @click="buyNum" v-if="number" :data-number="number">Buy (360 credits)</button></td>
                 </tr>
                </tbody>
             </table>