diff --git a/src/custom.htm b/src/custom.htm
index a875c89c1..00a652e82 100644
--- a/src/custom.htm
+++ b/src/custom.htm
@@ -131,7 +131,7 @@
             <select class="form-control input-sm" id="tx_mode">
                 <option selected="selected" value="1">1 (EMS generic)</option>
                 <option value="2">2 (EMS+/EMS2.0)</option>
-                <option value="3">3 (Junkers Heatronics)</option>
+                <option value="3">3 (Junkers Heatronic)</option>
             </select>
         </span>
     </div>