Update index.html

Author: robot-colosseum

index.html

@@ -204,11 +204,11 @@ <h2 class="title is-3">Abstract</h2>
           <p>
             We present <span class="dperact">Colosseum</span>, a novel simulation
             benchmark,with 20 diverse manipulation tasks, that enables systematical
-            evaluation of models across 12 axes of environmental perturbations.
+            evaluation of models across 14 axes of environmental perturbations.
             These perturbations include changes in color, texture, and size of
-            objects, table-tops, and backgrounds;  we also vary lighting, distractors,
+            objects, table-tops, background and object physical properties;  we also vary lighting, distractors,
             and camera pose. Using <span class="dperact">Colosseum</span>, we compare
-            4 state-of-the-art manipulation models to reveal that their success
+            5 state-of-the-art manipulation models to reveal that their success
             rate degrades between 30-50% across these perturbation factors.
           </p>
           <p>