fix link

Author: Nadia-JSch

docs/integration/external-integrations/freshservice-integration/customize-freshservice.mdx

@@ -14,7 +14,7 @@ This page covers advanced data mapping customization and XML file editing.
 
 ## Manage Customization with Newer Releases
 
-The Device42-Freshservice integration ships with a default mapping file. Newer versions of the mapping file may include sending additional elements to Freshservice (such as assets, devices, CIs, and metadata). We share these new additions in the [Freshservice mapping release notes](/release-notes/freshservice-mapping/mapping-4.0).
+The Device42-Freshservice integration ships with a default mapping file. Newer versions of the mapping file may include sending additional elements to Freshservice (such as assets, devices, CIs, and metadata). We share these new additions in the [Freshservice mapping release notes](/release-notes/freshservice-mapping/mapping-4.0-changes).
 
 If you make an adjustment and use a custom XML file, Device42 will not update the custom XML during updates.