Another link fix in 2004/anonymous

2004/anonymous/index.html

@@ -455,7 +455,7 @@ Speech</a>:</p>
 <p><img src="One_Ring_inscription.png"
  alt="The inscription, in the Black Speech of Mordor, on the One Ring"
  width=690 height=127></p>
-<p>into the Common Tongue reads:</p>
+<p>into the <a href="https://www.glyphweb.com/arda/c/commontongue.html">Common Tongue</a> reads:</p>
 <pre><code>    One Ring to rule them all, One Ring to find them,
     One Ring to bring them all and in the darkness bind them.</code></pre>
 <h2 id="authors-remarks">Author’s remarks:</h2>