Update bazel build instruction

Change-Id: I6250df5264f19ecbbf00797982a440d2f20c9fb1

README.md

diff --git a/README.md b/README.md
index 58f9ea4..98070bc 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@
 following:
 
 ```
-  bazel build gerrit-oauth-provider
+  bazel build oauth
 ```
 
 Install