From 8b9c3e01ccdf8fb59c1a261abd2187bf7966cdbd Mon Sep 17 00:00:00 2001
From: Beni Cherniavsky-Paskin <cben@redhat.com>
Date: Mon, 24 Aug 2020 12:09:40 +0300
Subject: [PATCH] README: clarify what "optional" means

Based on all the "should be implicitly optional and not warn without values" tests.
---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ec6fabe..6106780 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ class MyComponent extends React.Component {
 
 MyComponent.propTypes = {
   // You can declare that a prop is a specific JS primitive. By default, these
-  // are all optional.
+  // are all optional - `undefined` and `null` are allowed.
   optionalArray: PropTypes.array,
   optionalBool: PropTypes.bool,
   optionalFunc: PropTypes.func,