diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 0b01840..9549786 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -655,6 +655,10 @@
    CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
    r0p1.
 
+-  ``ERRATA_N2_2340933``: This applies errata 2340933 workaround to Neoverse-N2
+   CPU. This needs to be enabled for revision r0p0 of the CPU, it is fixed in
+   r0p1.
+
 -  ``ERRATA_N2_2346952``: This applies errata 2346952 workaround to Neoverse-N2
    CPU. This needs to be enabled for revisions r0p0, r0p1 and r0p2 of the CPU,
    it is fixed in r0p3.