diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 90c65be..a978d9b 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -728,6 +728,10 @@
    CPU. This needs to be enabled for revisions r0p0, r0p1 and r0p2. It is fixed
    in r0p3.
 
+-  ``ERRATA_N2_3701773``: This applies errata 3701773 workaround to Neoverse-N2
+   CPU. This needs to be enabled for revisions r0p0, r0p1, r0p2, r0p3 and is
+   still open.
+
 For Cortex-X2, the following errata build flags are defined :
 
 -  ``ERRATA_X2_2002765``: This applies errata 2002765 workaround to Cortex-X2