Fix URL links to source docs at github

diff --git a/README.txt b/README.txt
index 0805a56d7b65a5878af7ac596aa89de1b88f1e17..6f6561da03dfd6b1993185376935cefd73fce7ef 100644 (file)
--- a/README.txt
+++ b/README.txt
@@ -24,7 +24,7 @@ the Transitive Grace Period Public Licence, version 1.0.
 
 See `TGPPL.PDF`_ for why the TGPPL exists, graphically illustrated on three slides.
 
-.. _quickstart.rst: https://tahoe-lafs.org/source/tahoe-lafs/trunk/docs/quickstart.rst
-.. _COPYING.GPL: https://tahoe-lafs.org/trac/tahoe-lafs/browser/COPYING.GPL
-.. _COPYING.TGPPL.rst: https://tahoe-lafs.org/trac/tahoe-lafs/browser/COPYING.TGPPL.rst
+.. _quickstart.rst: https://github.com/tahoe-lafs/tahoe-lafs/blob/master/docs/quickstart.rst
+.. _COPYING.GPL: https://github.com/tahoe-lafs/tahoe-lafs/blob/master/COPYING.GPL
+.. _COPYING.TGPPL.rst: https://github.com/tahoe-lafs/tahoe-lafs/blob/master/COPYING.TGPPL.rst
 .. _TGPPL.PDF: https://tahoe-lafs.org/~zooko/tgppl.pdf