# How to fix a date or price in a finished video by editing HTML with hyperframes

Repo: [heygen-com/hyperframes](https://github.com/heygen-com/hyperframes) | Difficulty: Beginner | Time: 15 minutes | Basis: Seen in the wild

Change one line of text in the source and re-render, instead of reopening a timeline editor.

**Who it is for:** Marketing manager whose launch date just moved from Friday to Monday

**The problem:** A last-minute text change in a launch video usually means reopening a project and re-exporting by hand.

**The outcome:** The same animation re-rendered locally as a new MP4 with the corrected text.

## Steps

1. Open the HyperFrames project folder your agent created for the video.
2. Ask the agent to change the text (for example Friday to Monday) in the HTML.
3. Have the agent re-render the video locally.
4. Play the new MP4 and confirm the animation timing is unchanged.

## Prompt to paste into your agent

```text
In my HyperFrames project for <video name>, change the text '<old text>' to '<new text>' and re-render the MP4 locally. Verify the animation timing matches the previous render.
```

## Caveat

This only works if the video was built as a HyperFrames HTML project, so an MP4 made in another editor cannot be changed this way.

## Seen in the wild

- X (Oct 2026): https://x.com/i/web/status/2111819591567479080

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URL: https://dedupedai.com/use-cases/heygen-com-hyperframes/edit-video-text-with-one-html-change/