diff --git a/packages/docs/docs/json-schema/single.md b/packages/docs/docs/json-schema/single.md
index 2713405620..381692d842 100644
--- a/packages/docs/docs/json-schema/single.md
+++ b/packages/docs/docs/json-schema/single.md
@@ -29,7 +29,7 @@ render(<Form schema={schema} validator={validator} />, document.getElementById('
 
 Fields can have titles and descriptions specified by the `title` keyword in the schema and the `description` keyword in the schema, respectively. These two can also be overridden by the `ui:title` and `ui:description` keywords in the uiSchema.
 
-Description can render markdown. This feature is disabled by default. It needs to be enabled by the `ui:enableMarkdownInDescription` keyword and setting to `true`. Read more about markdown options in the `markdown-to-jsx` official [docs](https://probablyup.com/markdown-to-jsx/).
+Description can render markdown. This feature is disabled by default. It needs to be enabled by the `ui:enableMarkdownInDescription` keyword and setting to `true`. Read more about markdown options in the `markdown-to-jsx` official [docs](https://markdown-to-jsx.quantizor.dev/).
 
 ```tsx
 import { RJSFSchema } from '@rjsf/utils';
diff --git a/packages/playground/src/samples/simple.ts b/packages/playground/src/samples/simple.ts
index dace4ac6ee..93eccb28b4 100644
--- a/packages/playground/src/samples/simple.ts
+++ b/packages/playground/src/samples/simple.ts
@@ -44,7 +44,7 @@ const simple: Sample = {
       'ui:autocomplete': 'family-name',
       'ui:enableMarkdownInDescription': true,
       'ui:description':
-        'Make text **bold** or *italic*. Take a look at other options [here](https://probablyup.com/markdown-to-jsx/).',
+        'Make text **bold** or *italic*. Take a look at other options [here](https://markdown-to-jsx.quantizor.dev/).',
     },
     lastName: {
       'ui:autocomplete': 'given-name',