add port tips to the port field tooltip text

diff --git a/main.html b/main.html
index 278be36d1d7a289d922071de97062082ef6434ee..1446b80fe3497b4880f08ab3b0955fb03528f300 100644 (file)
--- a/main.html
+++ b/main.html
@@ -112,7 +112,8 @@ span[name=popup_msg] {
   </tr>
   <tr>
    <td><a href='https://en.wikipedia.org/wiki/Port_(computer_networking)' target='_blank'>Port</a>:</td>
-   <td><input tabindex='13' type='number' name='port' min='1' max='65535' step='1' value='9'></td>
+   <td><input tabindex='13' type='number' name='port' min='1' max='65535' step='1' value='9'
+              title='Common ports: 0, 7, 9, and 40000'></td>
   </tr>
   <tr>
    <td><a href='https://en.wikipedia.org/wiki/Wake-on-LAN#Security_considerations' target='_blank'>SecureOn</a>:</td>