diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 03b3ee5..55e265c 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -280,6 +280,9 @@
  -  ``ERRATA_A77_1800714``: This applies errata 1800714 workaround to Cortex-A77
     CPU. This needs to be enabled for revisions <= r1p1 of the CPU.
 
+ -  ``ERRATA_A77_2743100``: This applies errata 2743100 workaround to Cortex-A77
+    CPU. This needs to be enabled for r0p0, r1p0, and r1p1, it is still open.
+
 For Cortex-A78, the following errata build flags are defined :
 
 -  ``ERRATA_A78_1688305``: This applies errata 1688305 workaround to Cortex-A78