From 31ca108a3cf5bcb87ffeb54d06d6fa4c53e4830d Mon Sep 17 00:00:00 2001
From: Karen Miller <84039272+KMiller-Grafana@users.noreply.github.com>
Date: Fri, 6 May 2022 14:09:46 -0700
Subject: [PATCH] Docs: redo PR 5109 (#6119)

---
 docs/sources/configuration/_index.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/sources/configuration/_index.md b/docs/sources/configuration/_index.md
index db83b55776..8eb1e5ce1f 100644
--- a/docs/sources/configuration/_index.md
+++ b/docs/sources/configuration/_index.md
@@ -56,7 +56,7 @@ References to undefined variables are replaced by empty strings unless you speci
 To specify a default value, use:
 
 ```
-${VAR:default_value}
+${VAR:-default_value}
 ```
 
 Where default_value is the value to use if the environment variable is undefined.