diff --git a/doc/arch/index.rst b/doc/arch/index.rst
index b8da4b8..2f916f4 100644
--- a/doc/arch/index.rst
+++ b/doc/arch/index.rst
@@ -8,6 +8,7 @@
 
    arc
    arm64
+   arm64.ffa
    m68k
    mips
    nios2