diff --git a/lib/puppet-strings/markdown.rb b/lib/puppet-strings/markdown.rb
index 909576f..6bc3b61 100644
--- a/lib/puppet-strings/markdown.rb
+++ b/lib/puppet-strings/markdown.rb
@@ -5,7 +5,7 @@ module PuppetStrings::Markdown
   require_relative 'markdown/puppet_classes'
   require_relative 'markdown/functions'
   require_relative 'markdown/defined_types'
-  require_relative 'markdown/custom_types'
+  require_relative 'markdown/resource_types'
   require_relative 'markdown/table_of_contents'
 
   # generates markdown documentation
@@ -15,7 +15,7 @@ module PuppetStrings::Markdown
     final << PuppetStrings::Markdown::TableOfContents.render
     final << PuppetStrings::Markdown::PuppetClasses.render
     final << PuppetStrings::Markdown::DefinedTypes.render
-    final << PuppetStrings::Markdown::CustomTypes.render
+    final << PuppetStrings::Markdown::ResourceTypes.render
     final << PuppetStrings::Markdown::Functions.render
 
     final
diff --git a/lib/puppet-strings/markdown/custom_type.rb b/lib/puppet-strings/markdown/resource_type.rb
similarity index 86%
rename from lib/puppet-strings/markdown/custom_type.rb
rename to lib/puppet-strings/markdown/resource_type.rb
index 967bb35..3645c93 100644
--- a/lib/puppet-strings/markdown/custom_type.rb
+++ b/lib/puppet-strings/markdown/resource_type.rb
@@ -1,9 +1,9 @@
 require 'puppet-strings/markdown/base'
 
 module PuppetStrings::Markdown
-  class CustomType < Base
+  class ResourceType < Base
     def initialize(registry)
-      @template = 'custom_type.erb'
+      @template = 'resource_type.erb'
       super(registry, 'type')
     end
 
diff --git a/lib/puppet-strings/markdown/custom_types.rb b/lib/puppet-strings/markdown/resource_types.rb
similarity index 68%
rename from lib/puppet-strings/markdown/custom_types.rb
rename to lib/puppet-strings/markdown/resource_types.rb
index b2c9660..214a885 100644
--- a/lib/puppet-strings/markdown/custom_types.rb
+++ b/lib/puppet-strings/markdown/resource_types.rb
@@ -1,7 +1,7 @@
-require_relative 'custom_type'
+require_relative 'resource_type'
 
 module PuppetStrings::Markdown
-  module CustomTypes
+  module ResourceTypes
 
     # @return [Array] list of resource types
     def self.in_rtypes
@@ -11,7 +11,7 @@ module PuppetStrings::Markdown
     def self.render
       final = in_rtypes.length > 0 ? "## Resource types\n\n" : ""
       in_rtypes.each do |type|
-        final << PuppetStrings::Markdown::CustomType.new(type).render
+        final << PuppetStrings::Markdown::ResourceType.new(type).render
       end
       final
     end
@@ -20,7 +20,7 @@ module PuppetStrings::Markdown
       final = []
 
       in_rtypes.each do |type|
-        final.push(PuppetStrings::Markdown::CustomType.new(type).toc_info)
+        final.push(PuppetStrings::Markdown::ResourceType.new(type).toc_info)
       end
 
       final
diff --git a/lib/puppet-strings/markdown/table_of_contents.rb b/lib/puppet-strings/markdown/table_of_contents.rb
index 16f5726..3afa119 100644
--- a/lib/puppet-strings/markdown/table_of_contents.rb
+++ b/lib/puppet-strings/markdown/table_of_contents.rb
@@ -3,7 +3,7 @@ module PuppetStrings::Markdown
     def self.render
       puppet_classes = PuppetStrings::Markdown::PuppetClasses.toc_info
       puppet_defined_types = PuppetStrings::Markdown::DefinedTypes.toc_info
-      puppet_resource_types = PuppetStrings::Markdown::CustomTypes.toc_info
+      puppet_resource_types = PuppetStrings::Markdown::ResourceTypes.toc_info
       puppet_functions = PuppetStrings::Markdown::Functions.toc_info
 
       template = File.join(File.dirname(__FILE__),"templates/table_of_contents.erb")
diff --git a/lib/puppet-strings/markdown/templates/custom_type.erb b/lib/puppet-strings/markdown/templates/resource_type.erb
similarity index 100%
rename from lib/puppet-strings/markdown/templates/custom_type.erb
rename to lib/puppet-strings/markdown/templates/resource_type.erb
diff --git a/spec/unit/puppet-strings/markdown_spec.rb b/spec/unit/puppet-strings/markdown_spec.rb
index 1adb923..11cfbf3 100644
--- a/spec/unit/puppet-strings/markdown_spec.rb
+++ b/spec/unit/puppet-strings/markdown_spec.rb
@@ -216,7 +216,7 @@ SOURCE
 
   describe 'rendering markdown to a file' do
     it 'should output the expected markdown content' do
-      File.open('/Users/eric.putnam/src/puppet-strings/md.md', 'w') do |file|
+      Tempfile.open('md') do |file|
         PuppetStrings::Markdown.render(file.path)
         expect(File.read(file.path)).to eq(baseline)
       end