From 75c341543a91a8cb3be2fed50feba154a9fe34fa Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Wed, 11 Jun 2025 04:05:41 -0400
Subject: [PATCH] add missing comment

---
 src/PLUGIN/plugin.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/PLUGIN/plugin.cpp b/src/PLUGIN/plugin.cpp
index 7326563003..600d2fd8fa 100644
--- a/src/PLUGIN/plugin.cpp
+++ b/src/PLUGIN/plugin.cpp
@@ -412,6 +412,8 @@ void plugin_unload(const char *style, const char *name, LAMMPS *lmp)
 
   } else if (pstyle == "region") {
 
+    // must delete all region instances using this region style
+
     for (auto &iregion : lmp->domain->get_region_by_style(name))
       lmp->domain->delete_region(iregion);