diff --git a/docs/ext/local.rst b/docs/ext/local.rst
index fc89e69a..1abebb1d 100644
--- a/docs/ext/local.rst
+++ b/docs/ext/local.rst
@@ -47,6 +47,11 @@ Configuration values
 
     Path to tag cache for local media.
 
+.. confval:: local/scan_timeout
+
+    Number of milliseconds before giving up scanning a file and moving on to
+    the next file.
+
 
 Usage
 =====