Revise options.html with updated instructions

Updated instructions and added optional user/device name fields.

Author: JOHLC

package/options.html

@@ -16,7 +16,7 @@ <h2>Send to Home Assistant</h2>
   <div class="desc">  
   <span class="options-title">Instructions</span>
   <p>Enter your Home Assistant hostname or IP, choose SSL if your server uses https, and paste your <b>Webhook ID</b> (not the full URL).</p>
-  <p>Optionally, you can specify a User so that you can specify who the message is from.</p>
+  <p>Optionally, you can specify a User and/or device name so that you can specify who and what the message is from.</p>
   <span class="options-title">Options</span>
   <label for="haHost">Home Assistant Hostname or IP</label>
   <input type="text" id="haHost" placeholder="myhome.duckdns.org or 192.168.1.2">
@@ -60,3 +60,4 @@ <h2>Send to Home Assistant</h2>
   <script src="options.js"></script>
 </body>
 </html>
+