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---
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stage: Plan
group: Project Management
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info: "To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments"
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type: reference
---
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# Markdown cache **(FREE)**
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For performance reasons, GitLab caches the HTML version of Markdown text in fields such as:
- Comments.
- Issue descriptions.
- Merge request descriptions.
These cached versions can become outdated, such as when the `external_url` configuration option is changed. Links
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in the cached text would still refer to the old URL.
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## Invalidate the cache
Pre-requisite:
- You must be an administrator.
To avoid problems caused by cached HTML versions, invalidate the existing cache by increasing the `local_markdown_version`
setting in application settings [using the API ](../api/settings.md#change-application-settings ):
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```shell
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curl --request PUT --header "PRIVATE-TOKEN: < your_access_token > " "https://gitlab.example.com/api/v4/application/settings?local_markdown_version=< increased_number > "
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```
