Docs: redo PR 5109 (#6119)

4 years ago · 31ca108a3c
parent c2e43dd8f5
commit 31ca108a3c
1 changed files with 1 additions and 1 deletions
--- 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.