Update index.md

com.unity.perception/Documentation~/index.md

 
 # Unity Perception Package Documentation (com.unity.perception)
 
-## Preview package
-
-This package is available as a preview, so it is not ready for production use. The features and documentation in this package might change before it is verified for release.
-
 Visit the pages below for in-depth documentation on inidividual components of the package. 
 
 |Feature|Description|
 |[DatasetCapture](DatasetCapture.md)|Ensures sensors are triggered at proper rates and accepts data for the JSON dataset.|
 |[Randomization (Experimental)](Randomization/Index.md)|The Randomization tool set lets you integrate domain randomization principles into your simulation.|
 
+## Preview package
+
+This package is available as a preview, so it is not ready for production use. The features and documentation in this package might change before it is verified for release.
+
-
 
 ## Other Resources