diff --git a/web/signup.html b/web/signup.html
index ea6d4c1..76a1174 100644
--- a/web/signup.html
+++ b/web/signup.html
@@ -45,7 +45,7 @@
                 </div>
                 <div class="input-field col s6">
                   <input ng-model="avatar" id="avatar" type="text" class="validate">
-                  <label for="avatar">Avatar</label>
+                  <label for="avatar">Avatar (escriu un dels animals disponibles: <b>whale, turtle, toucan, tiger, squirrel, snake, sheep, pig, penguin, racoon, frog, duck, crab, cat</b>)</label>
                 </div>
             </div>