diff --git a/files/03_root.html b/files/03_root.html
index 620b227..c4d10ad 100644
--- a/files/03_root.html
+++ b/files/03_root.html
@@ -34,7 +34,7 @@
   <input type="number" min="5" max="7" id="test3ck" required/>
   <label  for="test3ck">Number between 5 an 7</label>
 </li>
-<li><input type="color" pattern="#[a-fA-F0-9]{6}" id="test4ck" /> <label  for="test4ck">Hexidecimal color</label></li>
+<li><input type="color" pattern="#[a-fA-F0-9]{6}" id="test4ck" /> <label  for="test4ck">Hexadecimal color</label></li>
 </ol>
 </body>
 </html>