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gcc/ChangeLog:
2020-12-25 Gerald Pfeifer <gerald@pfeifer.com>
* doc/invoke.texi (C++ Module Mapper): Fix reference to libcody.
The mapper protocol was published as ``A Module Mapper''
@uref{https://wg21.link/p1184}. The implementation is provided by
-@command{libcody}, @uref{https://www.github.com/urnathan/libcody},
+@command{libcody}, @uref{https://github.com/urnathan/libcody},
which specifies the canonical protocol definition. A proof of concept
server implementation embedded in @command{make} was described in
''Make Me A Module'', @uref{https://wg21.link/p1602}.