diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 71208a8..7360a0f 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -493,6 +493,11 @@
    in r0p3. The issue is also present in r0p0 and r0p1 but there is no
    workaround for those revisions.
 
+-  ``ERRATA_A510_2250311``: This applies errata 2250311 workaround to
+   Cortex-A510 CPU. This needs to be enabled for revisions r0p0, r0p1, r0p2,
+   r0p3 and r1p0, it is fixed in r1p1. This workaround disables MPMM even if
+   ENABLE_MPMM=1.
+
 DSU Errata Workarounds
 ----------------------