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@@ -29,7 +29,7 @@ Tutorial solutions will be published here before the next week's tutorial.
 
 Recommended Reading: 	
 H.R. Nielson and F. Nielson (1999). Semantics with Applications: A Formal Introduction, originally published in 1992 by John Wiley and Sons.
-[Revised edition] (http://www.doc.ic.ac.uk/~pg/Computation/book.pdf)
+[Revised edition](http://www.doc.ic.ac.uk/~pg/Computation/book.pdf)
 
 G. Winskel (1993). The Formal Semantics of Programming Languages, MIT Press. 
 This is an excellent introduction to both the operational and denotational semantics of programming languages.