diff --git a/data/index.html b/data/index.html
index 533f1c9..beb02ae 100644
--- a/data/index.html
+++ b/data/index.html
@@ -73,13 +73,28 @@
             </fieldset>
 
             <fieldset>
-                <legend>Art-Net</legend>
+                <legend>Input/Output 1</legend>
 
                 <input
                     type="number"
-                    name="universe"
-                    id="universe"
+                    name="universe-1"
+                    id="universe-1"
                     placeholder="Universe"
+                    min="0"
+                    max="15"
+                />
+            </fieldset>
+
+            <fieldset>
+                <legend>Input/Output 2</legend>
+
+                <input
+                    type="number"
+                    name="universe-2"
+                    id="universe-2"
+                    placeholder="Universe"
+                    min="0"
+                    max="15"
                 />
             </fieldset>