add version, adjust grammar for consistency

bookmarklets.html

@@ -921,7 +921,7 @@ <h4>Random Password Bookmarklets</h4>
         </table>
       </div>
     <div id="footer" class="clear">
-      <p>Never trust online password generators, including mine.<br/>
+      <p>Never trust online password generators, including this one.<br/>
          For better security, use the <a href="bookmarklets.html">bookmarklets</a>, or my <a href="https://github.com/atoponce/nodepassgen">command-line tool</a>.<br/>
          For best security, use the generator that ships with your password manager.</p>
       <p><strong>For demonstration purposes only. It is not logging passwords.</strong></p>
@@ -930,6 +930,7 @@ <h4>Random Password Bookmarklets</h4>
         <a href="https://github.com/atoponce/webpassgen/releases/latest"><img alt="Download icon" title="Download latest release" src="assets/download.png" /></a>
         <a href="https://twitter.com/AaronToponce"><img alt="Twitter logo" title="Meet the author" src="assets/twitter.png" /></a>
       </p>
+      <p id='version'>Version: 2021-03-30</p>
     </div>
     <script src="js/main.js"></script>
     <script>

dicekey.html

@@ -73,7 +73,7 @@ <h1>DiceKey Generator</h1>
       </div>
       <div class="break"></div>
       <div id="footer" class="clear">
-        <p>Never trust online password generators, including mine.<br/>
+        <p>Never trust online password generators, including this one.<br/>
            For better security, use the <a href="bookmarklets.html">bookmarklets</a>, or my <a href="https://github.com/atoponce/nodepassgen">command-line tool</a>.<br/>
            For best security, use the generator that ships with your password manager.</p>
         <p><strong>For demonstration purposes only. It is not logging passwords.</strong></p>
@@ -82,6 +82,7 @@ <h1>DiceKey Generator</h1>
           <a href="https://github.com/atoponce/webpassgen/releases/latest"><img alt="Download icon" title="Download latest release" src="assets/download.png" /></a>
           <a href="https://twitter.com/AaronToponce"><img alt="Twitter logo" title="Meet the author" src="assets/twitter.png" /></a>
         </p>
+        <p id='version'>Version: 2021-03-30</p>
       </div>
     </div> <!-- container -->
     <script src="js/main.js"></script>