@@ -146,9 +146,9 @@ or target readers that don't support MathML. Then you should try using the
146146
147147[KindleGen]: http://www.amazon.com/gp/feature.html?ie=UTF8&docId=1000234621
148148[EPUB]: http://en.wikipedia.org/wiki/EPUB
149−[Pro Git]: http://progit.org/
149+[Pro Git]: https://git-scm.com/book/en/v2
150150[Creative Commons]: http://creativecommons.org/
151−[buying a copy]: http://progit.org/
151+[buying a copy]: https://git-scm.com/book/en/v2
152152[github site]: http://github.com/progit/progit
153153[git]: http://git-scm.com
154154[Dublin Core metadata elements]: http://dublincore.org/documents/dces/