diff --git a/lib/ash/domain/verifiers/validate_related_resource_inclusion.ex b/lib/ash/domain/verifiers/validate_related_resource_inclusion.ex
index a7ba19b05..0a72978bb 100644
--- a/lib/ash/domain/verifiers/validate_related_resource_inclusion.ex
+++ b/lib/ash/domain/verifiers/validate_related_resource_inclusion.ex
@@ -51,7 +51,7 @@ defmodule Ash.Domain.Verifiers.ValidateRelatedResourceInclusion do
                 )
 
               raise """
-              Resource `#{inspect(relationship.destination)}` #{message} for autogenerated join relationship: `:#{relationship.name}`
+              Error when compiling `#{inspect(relationship.source)}`: Resource `#{inspect(relationship.destination)}` #{message} for autogenerated join relationship: `:#{relationship.name}`
 
               Relationship was generated by the `many_to_many` relationship `#{inspect(parent_relationship.name)}`
 
@@ -75,7 +75,7 @@ defmodule Ash.Domain.Verifiers.ValidateRelatedResourceInclusion do
               """
             else
               raise """
-              Resource `#{inspect(relationship.destination)}` in relationship `:#{relationship.name}` #{message}. Please do one of the following
+              Error when compiling `#{inspect(relationship.source)}`: Resource `#{inspect(relationship.destination)}` in relationship `:#{relationship.name}` #{message}. Please do one of the following
 
               1. add the resource to the domain `#{inspect(domain)}`
               2. configure a different domain