diff --git a/bazel.md b/bazel.md
index d1230dcef..8704b05a0 100644
--- a/bazel.md
+++ b/bazel.md
@@ -23,6 +23,7 @@ To update automanaged build files, run:
 $ ./hack/update-bazel.sh
 ```
 
+**NOTES**: `update-bazel.sh` only works if check out directory of Kubernetes is "$GOPATH/src/k8s.io/kubernetes".
 
 To update a single build file, run: