diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 7075ca6..ef21050 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -454,6 +454,10 @@
 -  ``ERRATA_X2_2083908``: This applies errata 2083908 workaround to Cortex-X2
    CPU. This needs to be enabled for revision r2p0 of the CPU, it is still open.
 
+-  ``ERRATA_X2_2017096``: This applies errata 2017096 workaround to
+   Cortex-X2 CPU. This needs to be enabled only for revisions r0p0, r1p0 and
+   r2p0 of the CPU, it is fixed in r2p1.
+
 DSU Errata Workarounds
 ----------------------