diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 072cf1b..b152390 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -911,6 +911,11 @@
    Cortex-A715 CPU. This needs to be enabled only for revision r1p0.
    It is fixed in r1p1.
 
+For Cortex-A720, the following errata build flags are defined :
+
+-  ``ERRATA_A720_2940794``: This applies errata 2940794 workaround to
+   Cortex-A720 CPU. This needs to be enabled for revisions r0p0 and r0p1.
+   It is fixed in r0p2.
 
 DSU Errata Workarounds
 ----------------------