Update concepts.mdx

Author: crlptl

pages/audit-trail/concepts.mdx

@@ -28,7 +28,7 @@ A method in the context of Audit Trail is the API call sent to the Audit Trail A
 
 ## Region
 
-A region is the geographical area in which your resources are located (Paris, Amsterdam). 
+A region is the geographical area in which your resources are located (Paris, Amsterdam, Warsaw). 
 
 Audit Trail allows you to select and filter your resources by region and Scaleway Project. This allows you to better sort through your resources.