add missing quotes (#10123)

diff --git a/BUILD.bazel b/BUILD.bazel
index 96d973c..d8197ae 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -22,7 +22,7 @@
 #
 # java_proto_library(
 #   name = "any_java_proto",
-#   deps = ["@com_google_protobuf//:any_proto],
+#   deps = ["@com_google_protobuf//:any_proto"],
 # )
 ################################################################################