From 9764f8886bcf2d19c3f3eee0614ee93ec27d7adb Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Wed, 28 Dec 2022 19:21:38 -0800
Subject: [PATCH] Fix MDBOOK_BOOK environment variable example

---
 guide/src/format/configuration/environment-variables.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/guide/src/format/configuration/environment-variables.md b/guide/src/format/configuration/environment-variables.md
index 3631769b..8799c548 100644
--- a/guide/src/format/configuration/environment-variables.md
+++ b/guide/src/format/configuration/environment-variables.md
@@ -29,7 +29,7 @@ book's title without needing to touch your `book.toml`.
 > building the book with something like
 >
 > ```shell
-> $ export MDBOOK_BOOK="{'title': 'My Awesome Book', authors: ['Michael-F-Bryan']}"
+> $ export MDBOOK_BOOK='{"title": "My Awesome Book", "authors": ["Michael-F-Bryan"]}'
 > $ mdbook build
 > ```