diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 220e240..7b90979 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -1010,6 +1010,12 @@
    Cortex-A720 CPU. This needs to be enabled for revisions r0p0, r0p1
    and r0p2. It is still open.
 
+For Cortex-A720_AE, the following errata build flags are defined :
+
+-  ``ERRATA_A720_AE_3699562``: This applies errata 3699562 workaround
+   to Cortex-A720_AE CPU. This needs to be enabled for revisions r0p0.
+   It is still open.
+
 DSU Errata Workarounds
 ----------------------