diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 18f5449..32df862 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -386,7 +386,6 @@
    Cortex-A710 CPU. This needs to be enabled for revisions r0p0, r1p0 and r2p0
    of the CPU and is still open.
 
-
 For Neoverse N2, the following errata build flags are defined :
 
 -  ``ERRATA_N2_2067956``: This applies errata 2067956 workaround to Neoverse-N2
@@ -395,6 +394,10 @@
 -  ``ERRATA_N2_2025414``: This applies errata 2025414 workaround to Neoverse-N2
    CPU. This needs to be enabled for revision r0p0 of the CPU and is still open.
 
+-  ``ERRATA_N2_2189731``: This applies errata 2189731 workaround to Neoverse-N2
+   CPU. This needs to be enabled only for revision r0p0 of the CPU and is still
+   open.
+
 DSU Errata Workarounds
 ----------------------