diff --git a/content/docs/command-reference/config.md b/content/docs/command-reference/config.md
index 00d8ac3765..e0e840aa02 100644
--- a/content/docs/command-reference/config.md
+++ b/content/docs/command-reference/config.md
@@ -6,7 +6,7 @@ Get or set <abbr>project</abbr>-level (or global) DVC configuration options.
 
 ```usage
 usage: dvc config [-h] [--global | --system | --local] [-q | -v] [-u]
-                  [-l] [name] [value]
+                  [-l] [--show-origin] [name] [value]
 
 positional arguments:
   name           Option name.
@@ -67,6 +67,9 @@ multiple projects and users, respectively:
 
 - `-l`, `--list` - lists all defined config values.
 
+- `--show-origin` - when listing or getting config values, also show the file
+  the config value is saved in.
+
 - `-h`, `--help` - prints the usage/help message, and exit.
 
 - `-q`, `--quiet` - do not write anything to standard output. Exit with 0 if no