diff --git a/index.html b/index.html
index 942fe59..199cc8c 100644
--- a/index.html
+++ b/index.html
@@ -62,7 +62,8 @@
             <div class="col-8">
                 <canvas id="canvas" class="mx-3 my-auto" @vue:mounted="draw" width="800" height="600"></canvas>
                 <div>
-                    <input type="checkbox" v-model="show_unguessed_cities" @change="draw"> Show unguessed cities
+                    <input type="checkbox" id="show-unguessed-checkbox" v-model="show_unguessed_cities" @change="draw">
+                    <label for="show-unguessed-checkbox">Show unguessed cities</label>
                 </div>
             </div>
         </div>