diff --git a/README.md b/README.md
index b5e26e6..317cd1e 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,15 @@ For reporting bugs, we prefer that you open an issue on
 [git.agnos.is][agnosis-git-issues]. However, you may also open an
 issue on [GitHub][github-issues].
 
+### Development and Contributions
+
+All development occurs on [git.agnos.is][main-repo]. If you wish to
+contribute, please open a pull request there. In some cases, pull
+requests from GitHub may be accepted.
+
+All contributions must be licensed under [AGPL 3.0 or later][agpl] to
+be accepted.
+
 ## Building and Installation
 
 ### Docker Image
@@ -281,3 +290,4 @@ support added for Chronicles of Darkness and Call of Cthulhu.
 [agnosis-git-issues]: https://git.agnos.is/projectmoon/tenebrous-dicebot/issues
 [github-discussions]: https://github.com/ProjectMoon/matrix-dicebot/discussions
 [github-issues]: https://github.com/ProjectMoon/matrix-dicebot/issues
+[agpl]: https://www.gnu.org/licenses/agpl-3.0.en.html