fixed typos in docs
fixed typos in docs

tfmorris/dedupe,nmiranda/dedupe,dedupeio/dedupe,dedupeio/dedupe,nmiranda/dedupe,davidkunio/dedupe,datamade/dedupe,01-/dedupe,pombredanne/dedupe,dedupeio/dedupe-examples,neozhangthe1/dedupe,neozhangthe1/dedupe,davidkunio/dedupe,pombredanne/dedupe,tfmorris/dedupe,01-/dedupe,datamade/dedupe