diff --git a/README.md b/README.md
index 855c9784..b6ba9e2a 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ Adding Support for a new URL
 ----------------------------
 
   1. Check if the site supports [oEmbed](http://oembed.com/) or [Open Graph](https://developers.facebook.com/docs/opengraph/).
-     If it does, you can probably get away with just allowlisting the URL in `Onebox::Engine::AllowlistedGenericOnebox` (see: [Allowlisted Generic Onebox caveats](#user-content-allowlisted-generic-onebox-caveats)).
+     If it does, you can probably get away with just allowing the URL in `Onebox::Engine::AllowlistedGenericOnebox` (see: [Allowlisted Generic Onebox caveats](#user-content-allowlisted-generic-onebox-caveats)).
      If the site does not support open standards, you can create a new engine.
 
   2. Create new onebox engine
diff --git a/lib/onebox/engine/allowlisted_generic_onebox.rb b/lib/onebox/engine/allowlisted_generic_onebox.rb
index b476926f..d10c2e84 100644
--- a/lib/onebox/engine/allowlisted_generic_onebox.rb
+++ b/lib/onebox/engine/allowlisted_generic_onebox.rb
@@ -9,15 +9,15 @@ class AllowlistedGenericOnebox
       include StandardEmbed
       include LayoutSupport
 
-      def self.allowlist=(list)
-        @allowlist = list
+      def self.allowed_domains=(list)
+        @allowed_domains = list
       end
 
-      def self.allowlist
-        @allowlist ||= default_allowlist.dup
+      def self.allowed_domains
+        @allowed_domains ||= default_allowed_domains.dup
       end
 
-      def self.default_allowlist
+      def self.default_allowed_domains
         %w(
           23hq.com
           500px.com
@@ -176,13 +176,13 @@ def self.probable_wordpress(uri)
         !!(uri.path =~ /\d{4}\/\d{2}\//)
       end
 
-      def self.twitter_label_allowlist
+      def self.allowed_twitter_labels
         ['brand', 'price', 'usd', 'cad', 'reading time', 'likes']
       end
 
       def self.===(other)
         other.kind_of?(URI) ?
-          host_matches(other, allowlist) || probable_wordpress(other) || probable_discourse(other) :
+          host_matches(other, allowed_domains) || probable_wordpress(other) || probable_discourse(other) :
           super
       end
 
@@ -233,11 +233,11 @@ def data
           end
 
           # Twitter labels
-          if !Onebox::Helpers.blank?(d[:label1]) && !Onebox::Helpers.blank?(d[:data1]) && !!AllowlistedGenericOnebox.twitter_label_allowlist.find { |l| d[:label1] =~ /#{l}/i }
+          if !Onebox::Helpers.blank?(d[:label1]) && !Onebox::Helpers.blank?(d[:data1]) && !!AllowlistedGenericOnebox.allowed_twitter_labels.find { |l| d[:label1] =~ /#{l}/i }
             d[:label_1] = Onebox::Helpers.truncate(d[:label1])
             d[:data_1]  = Onebox::Helpers.truncate(d[:data1])
           end
-          if !Onebox::Helpers.blank?(d[:label2]) && !Onebox::Helpers.blank?(d[:data2]) && !!AllowlistedGenericOnebox.twitter_label_allowlist.find { |l| d[:label2] =~ /#{l}/i }
+          if !Onebox::Helpers.blank?(d[:label2]) && !Onebox::Helpers.blank?(d[:data2]) && !!AllowlistedGenericOnebox.allowed_twitter_labels.find { |l| d[:label2] =~ /#{l}/i }
             unless Onebox::Helpers.blank?(d[:label_1])
               d[:label_2] = Onebox::Helpers.truncate(d[:label2])
               d[:data_2]  = Onebox::Helpers.truncate(d[:data2])
diff --git a/spec/lib/onebox/engine/allowlisted_generic_onebox_spec.rb b/spec/lib/onebox/engine/allowlisted_generic_onebox_spec.rb
index 27a0e38d..5fee2a26 100644
--- a/spec/lib/onebox/engine/allowlisted_generic_onebox_spec.rb
+++ b/spec/lib/onebox/engine/allowlisted_generic_onebox_spec.rb
@@ -6,7 +6,7 @@
 
   describe ".===" do
     before do
-      described_class.allowlist = %w(eviltrout.com discourse.org)
+      described_class.allowed_domains = %w(eviltrout.com discourse.org)
     end
 
     it "matches an entire domain" do
@@ -154,7 +154,7 @@ def generic_html
     let(:redirect_link) { 'http://www.dailymail.co.uk/news/article-479146/Brutality-justice-The-truth-tarred-feathered-drug-dealer.html' }
 
     before do
-      described_class.allowlist = %w(dailymail.co.uk discourse.org)
+      described_class.allowed_domains = %w(dailymail.co.uk discourse.org)
       FakeWeb.register_uri(
         :get,
         original_link,
diff --git a/spec/lib/onebox_spec.rb b/spec/lib/onebox_spec.rb
index d66881b5..f6ca4f4f 100644
--- a/spec/lib/onebox_spec.rb
+++ b/spec/lib/onebox_spec.rb
@@ -24,7 +24,7 @@ def expect_templates_to_not_match(text)
 
   describe 'has_matcher?' do
     before do
-      Onebox::Engine::AllowlistedGenericOnebox.allowlist = %w(youtube.com)
+      Onebox::Engine::AllowlistedGenericOnebox.allowed_domains = %w(youtube.com)
     end
 
     it "has no matcher for a made up url" do