From cc9b486cf11cf7191a40d32b808c61b325d00264 Mon Sep 17 00:00:00 2001
From: Joshua Haberman <jhaberman@gmail.com>
Date: Wed, 29 Dec 2021 11:48:23 -0800
Subject: [PATCH] Added comment for db member.

---
 python/descriptor_pool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/descriptor_pool.c b/python/descriptor_pool.c
index e816f4e213..45ea6a0170 100644
--- a/python/descriptor_pool.c
+++ b/python/descriptor_pool.c
@@ -39,7 +39,7 @@
 typedef struct {
   PyObject_HEAD
   upb_symtab* symtab;
-  PyObject* db;
+  PyObject* db;  // The DescriptorDatabase underlying this pool.  May be NULL.
 } PyUpb_DescriptorPool;
 
 PyObject* PyUpb_DescriptorPool_GetDefaultPool() {