tree c555f252c4f7d3c03f3de348244a94eb60a8c5db
parent 1b03149f3533db04e72e088d3fdd09d0087ca594
author Mathias Agopian <mathias@google.com> 1340848303 -0700
committer Mathias Agopian <mathias@google.com> 1340930114 -0700

add some comments

Change-Id: Ia2e2c9531715fc2bd5b51c4dc58389e01abfe7e6