From e124789597300d65027f6c3ea97c9c3b4874d169 Mon Sep 17 00:00:00 2001
From: Michael Samoglyadov <mixas.sr@gmail.com>
Date: Sat, 13 Jul 2024 13:41:24 +0300
Subject: [PATCH] fix git difftool howto

---
 HOWTO.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/HOWTO.md b/HOWTO.md
index d8eacfb..349b6d2 100644
--- a/HOWTO.md
+++ b/HOWTO.md
@@ -145,7 +145,8 @@ Add to `.gitconfig` following section:
 
 ```ini
 [difftool "nested_diff"]
-  cmd = nested_diff $LOCAL $REMOTE
+  cmd = HEADER_NAME_A="a/$MERGED" HEADER_NAME_B="b/$MERGED" \
+        nested_diff $LOCAL $REMOTE
 ```
 
 and `ndiff = difftool --no-prompt --tool nested_diff` to section `[aliases]`.