Fix typo

public/classify.html

@@ -90,7 +90,7 @@ <h2>My symbol isn't found!</h2>
             or it is not yet in the list of supported symbols.
             <strike>In the first case you can do the training yourself.</strike>
             In the second case just drop me a line ([email protected])!
-            <em>I am rewriting parts right now an training isn't functional in this version.</em>
+            <em>I am rewriting parts right now and training isn't functional in this version.</em>
           </p>
           <h2>I like this. How can I help?</h2>
           <p>