downloaderMW doc typo (spiderMW doc copy remnant)
diff --git a/docs/topics/downloader-middleware.rst b/docs/topics/downloader-middleware.rst
index 38d19fb00ed..30075fa7b43 100644
--- a/docs/topics/downloader-middleware.rst
+++ b/docs/topics/downloader-middleware.rst
@@ -38,7 +38,7 @@ previous (or subsequent) middleware being applied.
 If you want to disable a built-in middleware (the ones defined in
 :setting:`DOWNLOADER_MIDDLEWARES_BASE` and enabled by default) you must define it
 in your project's :setting:`DOWNLOADER_MIDDLEWARES` setting and assign `None`
-as its value.  For example, if you want to disable the off-site middleware::
+as its value.  For example, if you want to disable the user-agent middleware::
 
     DOWNLOADER_MIDDLEWARES = {
         'myproject.middlewares.CustomDownloaderMiddleware': 543,

Downloader middleware documentation typo(?). Probably a forgotten word while coping docs from spider middleware.
