diff --git a/README.md b/README.md
index 6160abd..dc03ce7 100644
--- a/README.md
+++ b/README.md
@@ -594,7 +594,7 @@ By default, Scimitar advertises (via things like [the `/Schemas` endpoint](https
 
 ```ruby
 Rails.application.config.to_prepare do
-  Scimitar::Engine::set_default_resources([Scimitar::Resources::User])
+  Scimitar::Engine.set_default_resources([Scimitar::Resources::User])
   # ...other Scimitar configuration / initialisation code...
 end
 ```
diff --git a/lib/scimitar/engine.rb b/lib/scimitar/engine.rb
index ac13a08..cdac819 100644
--- a/lib/scimitar/engine.rb
+++ b/lib/scimitar/engine.rb
@@ -88,9 +88,9 @@ def self.set_default_resources(resource_array)
       unrecognised_resources = resource_array - @standard_default_resources
 
       if unrecognised_resources.any?
-        raise "Scimitar::Engine::set_default_resources: Only #{@standard_default_resources.map(&:name).join(', ')} are supported"
+        raise "Scimitar::Engine.set_default_resources: Only #{@standard_default_resources.map(&:name).join(', ')} are supported"
       elsif resource_array.empty?
-        raise 'Scimitar::Engine::set_default_resources: At least one resource must be given'
+        raise 'Scimitar::Engine.set_default_resources: At least one resource must be given'
       end
 
       @default_resources = resource_array
diff --git a/spec/requests/engine_spec.rb b/spec/requests/engine_spec.rb
index efac7ef..189ce8f 100644
--- a/spec/requests/engine_spec.rb
+++ b/spec/requests/engine_spec.rb
@@ -78,26 +78,26 @@ def self.endpoint; '/License'; end
       end
 
       it 'notes changes to defaults' do
-        Scimitar::Engine::set_default_resources([Scimitar::Resources::User])
+        Scimitar::Engine.set_default_resources([Scimitar::Resources::User])
         expect(Scimitar::Engine.resources()).to match_array([Scimitar::Resources::User])
       end
 
       it 'notes changes to defaults with custom resources added' do
-        Scimitar::Engine::set_default_resources([Scimitar::Resources::User])
+        Scimitar::Engine.set_default_resources([Scimitar::Resources::User])
         Scimitar::Engine.add_custom_resource(@license_resource)
         expect(Scimitar::Engine.resources()).to match_array([Scimitar::Resources::User, @license_resource])
       end
 
       it 'rejects bad defaults' do
         expect {
-          Scimitar::Engine::set_default_resources([@license_resource])
-        }.to raise_error('Scimitar::Engine::set_default_resources: Only Scimitar::Resources::User, Scimitar::Resources::Group are supported')
+          Scimitar::Engine.set_default_resources([@license_resource])
+        }.to raise_error('Scimitar::Engine.set_default_resources: Only Scimitar::Resources::User, Scimitar::Resources::Group are supported')
       end
 
       it 'rejects empty defaults' do
         expect {
-          Scimitar::Engine::set_default_resources([])
-        }.to raise_error('Scimitar::Engine::set_default_resources: At least one resource must be given')
+          Scimitar::Engine.set_default_resources([])
+        }.to raise_error('Scimitar::Engine.set_default_resources: At least one resource must be given')
       end
     end # "context '::resources, :add_custom_resource, ::set_default_resources' do"