diff --git a/web/socket/index.html b/web/socket/index.html
index 79a65270b..06570f2af 100644
--- a/web/socket/index.html
+++ b/web/socket/index.html
@@ -43,6 +43,14 @@
 									<input type="checkbox" name="checkbox-3" id="checkbox-3">
 									<label for="checkbox-4">4</label>
 									<input type="checkbox" name="checkbox-4" id="checkbox-4">
+									<label for="checkbox-5">5</label>
+									<input type="checkbox" name="checkbox-5" id="checkbox-5">
+									<label for="checkbox-6">6</label>
+									<input type="checkbox" name="checkbox-6" id="checkbox-6">
+									<label for="checkbox-7">7</label>
+									<input type="checkbox" name="checkbox-7" id="checkbox-7">
+									<label for="checkbox-8">8</label>
+									<input type="checkbox" name="checkbox-8" id="checkbox-8">
 								</dd>
 
 								<dt><label for="slider">Slider</label></dt>