Update README.md

Fixed broken links.

README.md

@@ -6,4 +6,4 @@ The RLZ project is a library for grouping promotion event signals and anonymous
 
 Client applications with the RLZ library can use explicit cohort tagging to manage promotion analysis.  A client application with a particular tag can transmit that tag as it chooses for payments and analysis purposes.  As an example, the RLZ parameter "rlz=1T4AAAA\_enUS202" indicates the client application is Toolbar version 4, distributed with AAAA software bundle, English version, to a US user in December 2006. This empowers computation of metrics broken down into useful dimensions.
 
-Find out more about [how to read RLZ strings](HowToReadAnRlzString.md), how the code [works](http://code.google.com/p/rlz/source/browse/) in general, and how it is used in the [Google Chrome](http://www.google.com/intl/en/landing/chrome/google-chrome-privacy-whitepaper.pdf) web browser.
+Find out more about [how to read RLZ strings](https://github.com/rogerta/rlz/blob/wiki/HowToReadAnRlzString.md), how the code [works](https://github.com/rogerta/rlz/tree/master/lib) in general, and how it is used in the [Google Chrome](http://www.google.com/intl/en/landing/chrome/google-chrome-privacy-whitepaper.pdf) web browser.