Update website.

index.html

@@ -218,7 +218,7 @@ <h1>🛝 MuJoCo Playground</h1>
         humanoids, dexterous hands, and robotic arms, and enables zero-shot
         sim-to-real transfer from both state and pixel inputs. This is achieved
         through an integrated stack comprising a physics engine, batch renderer,
-        and training environments.
+        and training environments. MuJoCo Playground was a community effort involving multiple groups, and we hope it proves valuable to researchers and developers alike.
       </p>
 
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