diff --git a/test/integration/aliases/serverspec/aliases_spec.rb b/test/integration/aliases/serverspec/aliases_spec.rb
index 644298e..7376e79 100644
--- a/test/integration/aliases/serverspec/aliases_spec.rb
+++ b/test/integration/aliases/serverspec/aliases_spec.rb
@@ -18,7 +18,7 @@ require_relative './spec_helper'
 describe 'postfix::aliases' do
   context 'configures' do
     describe file('/etc/aliases') do
-      its(:content) { should match(/^# This file is generated by Chef for/) }
+      its(:content) { should match(/^# Auto-generated by Chef/) }
     end
   end
 end
diff --git a/test/integration/default/serverspec/default_spec.rb b/test/integration/default/serverspec/default_spec.rb
index 2217efe..9ff44b4 100644
--- a/test/integration/default/serverspec/default_spec.rb
+++ b/test/integration/default/serverspec/default_spec.rb
@@ -27,7 +27,7 @@ describe 'postfix::default' do
 
   context 'configures' do
     describe file("#{postfix_conf_path}/main.cf") do
-      its(:content) { should match(/^# Generated by Chef for /) }
+      its(:content) { should match(/^# Auto-generated by Chef/) }
     end
   end
 end
diff --git a/test/integration/sasl_auth/serverspec/sasl_auth_spec.rb b/test/integration/sasl_auth/serverspec/sasl_auth_spec.rb
index 1df5ad2..34b1888 100644
--- a/test/integration/sasl_auth/serverspec/sasl_auth_spec.rb
+++ b/test/integration/sasl_auth/serverspec/sasl_auth_spec.rb
@@ -18,7 +18,7 @@ describe 'postfix::sasl_auth' do
   let(:sasl_passwd_file) { '/etc/postfix/sasl_passwd' }
 
   it 'manages postfix sasl_passwd' do
-    expect(file(sasl_passwd_file).content).to match(/^# This file is generated by Chef for/)
+    expect(file(sasl_passwd_file).content).to match(/^# Auto-generated by Chef/)
   end
 
   it 'configures postfix to use the sasl_passwd file' do