[libc++][NFC] Add link to Discord channel from documentation

diff --git a/libcxx/docs/Contributing.rst b/libcxx/docs/Contributing.rst
index 9ff7d6c5d2aea5c78c75fc6cceaae721b39d84a1..8dc18565405c08e3ab957407695719c8a34e9a6e 100644 (file)
--- a/libcxx/docs/Contributing.rst
+++ b/libcxx/docs/Contributing.rst
@@ -12,6 +12,9 @@ For libc++, please make sure you follow `these instructions <https://www.llvm.or
 for submitting a code review from the command-line using ``arc``, since we have some
 automation (e.g. CI) that depends on the review being submitted that way.
 
+If you plan on contributing to libc++, it can be useful to join the ``#libcxx`` channel
+on `LLVM's Discord server <https://discord.gg/jzUbyP26tQ>`__.
+
 Looking for pre-existing reviews
 ================================