diff --git a/clustering_algorithms/README.md b/clustering_algorithms/README.md
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--- a/clustering_algorithms/README.md
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 ## Clustering Algorithms
 
-[On the resemblance and containment of documents](http://gatekeeper.dec.com/ftp/pub/dec/SRC/publications/broder/positano-final-wpnums.pdf)(Andrei Z. Broder)
+[On the resemblance and containment of documents](http://gatekeeper.dec.com/ftp/pub/dec/SRC/publications/broder/positano-final-wpnums.pdf) (Andrei Z. Broder)