diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index d3fe89d..a392eea 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -258,6 +258,9 @@
 -  ``ERRATA_N1_1315703``: This applies errata 1315703 workaround to Neoverse-N1
    CPU. This needs to be enabled only for revision <= r3p0 of the CPU.
 
+-  ``ERRATA_N1_1542419``: This applies errata 1542419 workaround to Neoverse-N1
+   CPU. This needs to be enabled only for revisions r3p0 - r4p0 of the CPU.
+
 DSU Errata Workarounds
 ----------------------