From 6902fe42cc7aa312a1fa9c7ede6c9c254f4b9742 Mon Sep 17 00:00:00 2001
From: willclarktech <willclarktech@users.noreply.github.com>
Date: Wed, 9 Jun 2021 17:17:12 +0200
Subject: [PATCH] Update HACKING.md for gsed

---
 HACKING.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/HACKING.md b/HACKING.md
index 7c702ea6..053d8ee2 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -9,6 +9,8 @@ work on CosmJS, i.e. modify it. It is not intended for users of CosmJS.
 - Node.js 12+, Docker and yarn
 - `sha256sum`, which you
   [can get on macOS as well](https://unix.stackexchange.com/questions/426837/no-sha256sum-in-macos)
+- `gsed`, which you
+  [can get on macOS as well](https://formulae.brew.sh/formula/gnu-sed)
 
 ## Checking out code