Fix typo, tupels -> tuples
Fix typo, tupels -> tuples

From: C. Titus Brown <titus@idyll.org>

git-svn-id: ac448e79859328743e4c16e39d5247c688b841fb@117898 bc3139a8-67e5-0310-9ffc-ced21a209358

PeteHaitch/GenomicTuples,PeteHaitch/GenomicTuples