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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/engineering/ux/technical-writing/#assignments"
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type: reference
---
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# Invalidate Markdown Cache **(FREE)**
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For performance reasons, GitLab caches the HTML version of Markdown text
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in fields like comments, issue descriptions, and merge request descriptions. These
cached versions can become outdated, such as
when the `external_url` configuration option is changed. Links
in the cached text would still refer to the old URL.
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To avoid this problem, the administrator can invalidate the existing cache by
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increasing the `local_markdown_version` setting in application settings. This can
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be done by changing the application settings
[through 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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```
