fixup! fixup! fixup! fixup! Add documentation on new mutation

Author: haysch

src/pages/changelog/2025-04-03.mdx

@@ -9,6 +9,6 @@ We have introduced a new mutation that enables changing a signature order after
 Initially it supports changing maxSignatories until the first signatory has signed.
 Please reach out if you have other needs for modifying signature orders post creation.
 
-[An example](https://docs.criipto.com/signatures/graphql/examples/#changing-signature-order) can be found in the Signatures documentation.
+[An example](/signatures/graphql/examples/#changing-signature-order) can be found in the Signatures documentation.
 
 The mutation is supported in [.NET](https://www.nuget.org/packages/Criipto.Signatures) and [Node.JS](https://www.npmjs.com/package/@criipto/signatures) SDK v1.21.0.