diff --git a/doc/api/cli.md b/doc/api/cli.md
index 9d8ab13dfd301c..9d26a457e4d3be 100644
--- a/doc/api/cli.md
+++ b/doc/api/cli.md
@@ -144,6 +144,9 @@ added: v12.12.0
 
 Enable experimental Source Map V3 support for stack traces.
 
+Currently, overriding `Error.prepareStackTrace` is ignored when the
+`--enable-source-maps` flag is set.
+
 ### `--es-module-specifier-resolution=mode`
 <!-- YAML
 added: v12.0.0