docs(cpt): add faq question

Author: nerda-codes

pages/cockpit/faq.mdx

@@ -5,7 +5,7 @@ meta:
 content:
   h1: Cockpit FAQ
 dates:
-  validation: 2025-04-09
+  validation: 2025-05-02
 category: observability
 productIcon: CockpitProductIcon
 ---
@@ -42,7 +42,7 @@ Cockpit stores Scaleway data in the same region as the Scaleway resource that pr
 
 ### Custom data
 
-In order for Cockpit to store you custom data, you must first create a custom data source in a region of your choice. The data you send will then be stored in that custom data source’s region and will not be replicated across other regions.
+In order for Cockpit to store you custom data, you must first [create a custom data source](/cockpit/how-to/create-external-data-sources/) in a region of your choice. The data you send will then be stored in that custom data source’s region and will not be replicated across other regions.
 
 Even though data is region-bound, your Cockpit Grafana instance can query and visualize data across all regions where you have data sources.
 

pages/cockpit/reference-content/cockpit-limitations.mdx

@@ -19,6 +19,8 @@ This page provides information about the capabilities and limits of Scaleway's O
 
 ## Cockpit data storage information
 
+Refer to the [Cockpit FAQ](/cockpit/faq/#where-does-cockpit-store-data) to understand where Cockpit stores Scaleway and custom data.
+
 ### Scaleway data
 
 Cockpit stores Scaleway data in the same region as the Scaleway resource that produces it: