bigtable/cmd/cbt: Fix tab/space merge conflict

Change-Id: I20a07aefff874398ea35c2df246cef18c110099f
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/45870
Reviewed-by: Ramesh Dharan <dharan@google.com>
Reviewed-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Igor Bernstein <igorbernstein@google.com>
diff --git a/bigtable/cmd/cbt/cbt.go b/bigtable/cmd/cbt/cbt.go
index 972feeb..c1ec3ec 100644
--- a/bigtable/cmd/cbt/cbt.go
+++ b/bigtable/cmd/cbt/cbt.go
@@ -206,7 +206,7 @@
     creds = path-to-account-key.json
     admin-endpoint = hostname:port
     data-endpoint = hostname:port
-	auth-token = AJP...
+    auth-token = AJAvW039NO1nDcijk_J6_rFXG_...
 
 All values are optional, and all will be overridden by flags.
 `