diff --git a/content/developer/reference/cli.rst b/content/developer/reference/cli.rst
index de5b8fab1..51f2d932e 100644
--- a/content/developer/reference/cli.rst
+++ b/content/developer/reference/cli.rst
@@ -92,7 +92,8 @@ Running the server
 
 .. option:: --upgrade-path <upgrade_path>
 
-   specify an additional upgrade path.
+   comma-separated list of directories from which additional upgrade scripts
+   are loaded.
 
 .. option:: --pre-upgrade-scripts <pre_upgrade_scripts>