Docs: Fix SolidJs reactivity link

docs/writing-stories/index.mdx

@@ -245,7 +245,7 @@ Finally, `render` functions receive a second `context` argument, which contains
 <IfRenderer renderer="solid">
   #### Working with Solid Signals
 
-  [Solid Signals](https://www.solidjs.com/docs/latest/api#basic-reactivity) are convenient helper methods to create components using a more streamlined approach. You can use them while creating your component's stories if you need them, although you should treat them as an advanced use case. We **recommend** [args](./args.mdx) as much as possible when writing your own stories. As an example, here’s a story that uses Solid Signals to change the button's state:
+  [Solid Signals](https://docs.solidjs.com/concepts/intro-to-reactivity) are convenient helper methods to create components using a more streamlined approach. You can use them while creating your component's stories if you need them, although you should treat them as an advanced use case. We **recommend** [args](./args.mdx) as much as possible when writing your own stories. As an example, here’s a story that uses Solid Signals to change the button's state:
 
   {/* prettier-ignore-start */}