diff --git a/README.md b/README.md
index a721693b1..9c6a59aee 100644
--- a/README.md
+++ b/README.md
@@ -835,6 +835,14 @@ datetime.parse("2020-01-01T00:00:00.123+02"); // pass (only offset hours)
 datetime.parse("2020-01-01T00:00:00Z"); // pass (Z still supported)
 ```
 
+You can allow unqualified (timezone-less) datetimes using the `local: true` flag.
+
+```ts
+const schema = z.string().datetime({ local: true });
+
+schema.parse("2020-01-01T00:00:00"); // pass
+```
+
 You can additionally constrain the allowable `precision`. By default, arbitrary sub-second precision is supported (but optional).
 
 ```ts