diff --git a/docs/source/websecurity.md b/docs/source/websecurity.md
index a1b84e91..f5dd8c0f 100644
--- a/docs/source/websecurity.md
+++ b/docs/source/websecurity.md
@@ -45,7 +45,7 @@ as it resolves all of the cross-site issues.
 ### Disabling user config
 
 If subdomains are not available or not desirable,
-0.5 also adds an option `Spawner.disable_use_config`,
+0.5 also adds an option `Spawner.disable_user_config`,
 which you can set to prevent the user-owned configuration files from being loaded.
 This leaves only package installation and PATHs as things the admin must enforce.