diff --git a/docs/components/index.rst b/docs/components/index.rst
index 2f81f23..192773f 100644
--- a/docs/components/index.rst
+++ b/docs/components/index.rst
@@ -24,4 +24,5 @@
    xlat-tables-lib-v2-design
    cot-binding
    realm-management-extension
+   rmm-el3-comms-spec
    granule-protection-tables-design