Fix a date, adjust permissions language.

Change-Id: Icb09eb44645130af5e109c390b757dc12f458f91
diff --git a/docs/html/preview/testing/guide.jd b/docs/html/preview/testing/guide.jd
index 07a25a2..56bb4d9 100644
--- a/docs/html/preview/testing/guide.jd
+++ b/docs/html/preview/testing/guide.jd
@@ -57,7 +57,7 @@
   app features from working, or they may work in a degraded state.
 </p>
 
-<p>
+<p class="caution">
   This change affects all apps running on the new platform, even those not targeting the new
   platform version. The platform provides a limited compatibility behavior for legacy apps, but you
   should begin planning your app’s migration to the new permissions model now, with a goal of