[Bug]: Demo - URL Params and Error Boundaries - Nested <p> console error in CatchBoundary

[joshuadotson]

Which Remix packages are impacted?

• remix (Remix core)
• create-remix
• @remix-run/architect
• @remix-run/cloudflare-workers
• @remix-run/dev
• @remix-run/express
• @remix-run/netlify
• @remix-run/node
• @remix-run/react
• @remix-run/serve
• @remix-run/server-runtime
• @remix-run/vercel

What version of Remix are you using?

1.0.4

Steps to Reproduce

• nav to ./examples/basic
• install dependencies npm i
• start dev server npm dev
• open http://localhost:3000/
• choose URL Params and Error Boundaries under Demos In This App
• open dev tools console
• select This will be a 404 under Click these Links
• observe error in console

Expected Behavior

No error occurs because the HTML structure is valid.

Actual Behavior

Warning: validateDOMNesting(...): <p> cannot appear as a descendant of <p>.

Above error occurs because the HTML structure is not valid.

[machour]

Fixed in #535