diff --git a/roles/transmission/README.rst b/roles/transmission/README.rst
index 80af71b96..90048c596 100644
--- a/roles/transmission/README.rst
+++ b/roles/transmission/README.rst
@@ -115,6 +115,8 @@ As of June 2023, these docs appear to be the most up-to-date:
    - https://github.com/transmission/transmission/blob/main/docs/Configuration-Files.md
    - https://github.com/transmission/transmission/blob/main/docs/Editing-Configuration-Files.md
    - https://github.com/transmission/transmission/blob/main/docs/Headless-Usage.md
+   - https://github.com/transmission/transmission/blob/main/docs/rpc-spec.md
+      - https://transmission-rpc.readthedocs.io
 - https://cli-ck.io/transmission-cli-user-guide/ (2016 but still useful)
    - https://github.com/transmission/transmission#command-line-interface-notes ("``transmission-cli`` is deprecated and exists primarily to support older hardware dependent upon it. In almost all instances, ``transmission-remote`` should be used instead.")
 - https://wiki.archlinux.org/title/transmission (updated regularly)