remove an extra space

macosx/CreatorWindowController.m

@@ -231,7 +231,7 @@
                     ? NSLocalizedString(@"A transfer marked as private with no tracker addresses will be unable to connect to peers."
                         " The torrent file will only be useful if you plan to upload the file to a tracker website"
                         " that will add the addresses for you.", "Create torrent -> blank address -> message")
-                    : NSLocalizedString(@"The transfer will not contact trackers for peers,  and will have to rely solely on"
+                    : NSLocalizedString(@"The transfer will not contact trackers for peers, and will have to rely solely on"
                         " non-tracker peer discovery methods such as PEX and DHT to download and seed.",
                         "Create torrent -> blank address -> message");