website: fix grammar in new upload doc

diff --git a/yarrg/web/upload b/yarrg/web/upload
index 2663ee70b615cc7d4fc4d2166d55da39e5a5d062..0c8eefdda43a65655411d16126d10493add6625b 100755 (executable)
--- a/yarrg/web/upload
+++ b/yarrg/web/upload
@@ -80,7 +80,8 @@ YPP client.  Then press "Upload Market Data" in the JARRG window.
 
 It is OK to switch away from the commodity list in Puzzle Pirates as
 soon as the Jarrg progress bar appears.  The uploader has taken a copy
-of the data, so you do something else while the upload takes place.
+of the data, so you can do something else while the upload takes
+place.
 
 <p>