diff --git a/install.html b/install.html
index a441549..afdcc58 100644
--- a/install.html
+++ b/install.html
@@ -93,8 +93,8 @@
 </div>
 <div class="row">
     <div class="mb-3">
-		<label for="disagnostic">Diagnostic mode enable?</label>
-		<select class="custom-select d-block w-100" name="DIAGNOSTIC" id="disagnostic">
+		<label for="diagnostic">Diagnostic mode enable?</label>
+		<select class="custom-select d-block w-100" name="DIAGNOSTIC" id="diagnostic">
 		<option value="yes">Yes</option>
 		<option value="no" selected>No</option>
 		</select>