diff --git a/index.html b/index.html
index 63df3701..d4728a7c 100644
--- a/index.html
+++ b/index.html
@@ -2943,7 +2943,7 @@
           <button id="zonesRemove" data-tip="Click to toggle the removal mode on brush dragging. Shortcut: ctrl" class="icon-eraser"></button>
         </div>
 
-        <button id="zonesAdd" data-tip="Add new zone layers or types" class="icon-plus"></button>
+        <button id="zonesAdd" data-tip="Add new zone layers" class="icon-plus"></button>
         <button id="zonesEditTypes" data-tip="Add and edit zone types" class="icon-edit"></button>
         <button id="zonesExport" data-tip="Download zones-related data" class="icon-download"></button>
       </div>