From f3ad77cfce8b97f8fd696ceea68c7315cd4f4727 Mon Sep 17 00:00:00 2001
From: Ben Lawson <blawson@gmail.com>
Date: Wed, 1 Dec 2021 22:09:19 -0800
Subject: [PATCH] (Docs) Update Coverage instructions with MacOS commands

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index ac4ee8a0986..78cc06e1d35 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,14 @@ $ cargo clippy
 $ ./coverage.sh  # Please help! Coverage build currently fails on MacOS due to an XCode `grcov` mismatch...
 ```
 
+#### MacOS
+
+You may need to pin your grcov version, and then rustup with the apple-darwin nightly toolchain:
+```bash
+$ cargo install grcov --version 0.6.1
+$ rustup toolchain install nightly-x86_64-apple-darwin
+```
+
 
 ## Release Process
 SPL programs are currently tagged and released manually. Each program is