diff --git a/scrapy/downloadermiddlewares/httpproxy.py b/scrapy/downloadermiddlewares/httpproxy.py
index b01bab76d..98c87aa9c 100644
--- a/scrapy/downloadermiddlewares/httpproxy.py
+++ b/scrapy/downloadermiddlewares/httpproxy.py
@@ -43,7 +43,7 @@ class HttpProxyMiddleware(object):
         return creds, proxy_url
 
     def process_request(self, request, spider):
-        # ignore if proxy is already seted
+        # ignore if proxy is already set
         if 'proxy' in request.meta:
             return