firestore: add beta notice in godoc
pongad@ has already made this change to the gapics, and the only manual that
is non-stable is firestore. So, this CL...
Fixes #755
Change-Id: Ic26bf12ff76c50da967670dfa93ec9e4fbc63d66
Reviewed-on: https://code-review.googlesource.com/c/36891
Reviewed-by: Michael Darakananda <pongad@google.com>
diff --git a/firestore/doc.go b/firestore/doc.go
index 1e4c3f1..864f717 100644
--- a/firestore/doc.go
+++ b/firestore/doc.go
@@ -18,6 +18,8 @@
Package firestore provides a client for reading and writing to a Cloud Firestore
database.
+ NOTE: This package is in beta. It is not stable, and may be subject to changes.
+
See https://cloud.google.com/firestore/docs for an introduction
to Cloud Firestore and additional help on using the Firestore API.
