diff --git a/src/calibre/web/fetch/simple.py b/src/calibre/web/fetch/simple.py
index 5a76c4fa2e..35069a428b 100644
--- a/src/calibre/web/fetch/simple.py
+++ b/src/calibre/web/fetch/simple.py
@@ -215,7 +215,7 @@ class RecursiveFetcher(object):
                 raise FetchError, responses[err.code]
             if getattr(err, 'reason', [0])[0] == 104 or \
                 getattr(getattr(err, 'args', [None])[0], 'errno', None) in (-2,
-                        -3): # Connection reset by peer or Name or service not know
+                        -3): # Connection reset by peer or Name or service not known
                 self.log.debug('Temporary error, retrying in 1 second')
                 time.sleep(1)
                 with closing(open_func(url, timeout=self.timeout)) as f: