From d39abd950f7f4ee3013b0f4180902e20e31721db Mon Sep 17 00:00:00 2001
From: Carlos O'Ryan <coryan@google.com>
Date: Mon, 9 Sep 2019 17:14:23 -0400
Subject: [PATCH] Address review comments.

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c17806cc9..6163a103d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,6 +137,10 @@ function (googleapis_cpp_short_name var proto)
     set("${var}" "${short_name}" PARENT_SCOPE)
 endfunction ()
 
+# Create a single source proto library.
+#
+# - proto: the filename for the proto source.
+# - (optional) ARGN: proto libraries the new library depends on.
 function (googleapis_cpp_add_library proto)
     googleapis_cpp_short_name(short_name "${proto}")
     google_cloud_cpp_grpcpp_library(googleapis_cpp_${short_name}