services/Distributed-Wiki.md
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@@ -95,7 +95,7 @@ A custom header `X-SiteID` identifies the site you're connecting to:
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- `add_header X-SiteID '<AS number>-<ISO country code>';`
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-##### Enabling [HPKP](https://developer.mozilla.org/en-US/docs/Web/Security/Public_Key_Pinning)
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+##### Enabling [HPKP](https://en.wikipedia.org/wiki/HTTP_Public_Key_Pinning)
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- Extract base64 encoded SPKI fingerprint from private key `wiki.key`:
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