diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index 907c90d7..5478fce6 100755
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -1172,6 +1172,9 @@
     "adjustmentsFunction23": {
         "message": "D Setpoint Transition"
     },
+    "adjustmentsFunction24": {
+        "message": "Horizon Strength Adjustment"
+    },
     "adjustmentsSave": {
         "message": "Save"
     },
diff --git a/tabs/adjustments.html b/tabs/adjustments.html
index c63b30d7..e3a5279d 100644
--- a/tabs/adjustments.html
+++ b/tabs/adjustments.html
@@ -91,6 +91,7 @@
                     <option value="21" i18n="adjustmentsFunction21"></option>
                     <option value="22" i18n="adjustmentsFunction22"></option>
                     <option value="23" i18n="adjustmentsFunction23"></option>
+                    <option value="24" i18n="adjustmentsFunction24"></option>
                 </select></td>
                 <td class="adjustmentSlot"><select class="slot">
                     <option value="0" i18n="adjustmentsSlot0"></option>