diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index aa1ceb3..6953c24 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -978,6 +978,10 @@
    Cortex-A720 CPU. This needs to be enabled for revisions r0p0 and r0p1.
    It is fixed in r0p2.
 
+-  ``ERRATA_A720_3699561``: This applies errata 3699561 workaround to
+   Cortex-A720 CPU. This needs to be enabled for revisions r0p0, r0p1
+   and r0p2. It is still open.
+
 DSU Errata Workarounds
 ----------------------