doc: Fix release notes

Change-Id: I15f052c5d76dbf32fa65b3c7cb95fed18560fcf6
diff --git a/RELEASE_NOTES.rst b/RELEASE_NOTES.rst
index 7c8bfac..043d810 100644
--- a/RELEASE_NOTES.rst
+++ b/RELEASE_NOTES.rst
@@ -1,7 +1,7 @@
 NFD-Android version 0.2.1
 -------------------------
 
-Release date: TBD
+Release date: February 29, 2016
 
 Updates
 ~~~~~~~