bbai64/play: design and expansion chapter cleanups

boards/beaglebone/ai-64/06-support.rst

@@ -26,7 +26,7 @@ Follow instructions below to download the latest image for your BeagleBone AI-64
 
 .. _filter-software-distribution-AI-64:
 
-.. figure:: images/ch11/distros.png
+.. figure:: media/ch11/distros.*
    :align: center
    :alt: Filter Software Distributions for BeagleBone AI-64 
 

boards/beagleplay/03-design.rst

@@ -3,10 +3,9 @@
 Design and specifications
 #########################
 
-If you want to know how the BeaglePlay hardware is designed and what are it's 
-high-level specifications then this chapter is for you. We are going to discuss 
-each hardware design element in detail and provide high-level device 
-specifications in  a short and crisp form as well.
+If you want to know how BeaglePlay is designed and the detailed specifications, then
+this chapter is for you. We are going to attept to provide you a short and crisp overview
+followed by discussing each hardware design element in detail.
 
 .. tip:: 
     You can download BeaglePlay schematic to have clear view of