diff --git a/lib/kaminari.rb b/lib/kaminari.rb
index 0bdf6f7..9b56feb 100644
--- a/lib/kaminari.rb
+++ b/lib/kaminari.rb
@@ -31,7 +31,7 @@ require 'kaminari/models/page_scope_methods'
 require 'kaminari/models/configuration_methods'
 require 'kaminari/hooks'
 
-# if not using Railtie, call `Kaminari::Hooks.init!` directly
+# if not using Railtie, call `Kaminari::Hooks.init` directly
 if defined? Rails
   require 'kaminari/railtie'
   require 'kaminari/engine'
diff --git a/lib/kaminari/grape.rb b/lib/kaminari/grape.rb
index c8a45fa..84f1ec5 100644
--- a/lib/kaminari/grape.rb
+++ b/lib/kaminari/grape.rb
@@ -1,4 +1,4 @@
 require 'grape'
 require 'kaminari'
 
-Kaminari::Hooks.init!
+Kaminari::Hooks.init
diff --git a/lib/kaminari/hooks.rb b/lib/kaminari/hooks.rb
index 1f1ba8b..514ae7f 100644
--- a/lib/kaminari/hooks.rb
+++ b/lib/kaminari/hooks.rb
@@ -1,6 +1,6 @@
 module Kaminari
   class Hooks
-    def self.init!
+    def self.init
       ActiveSupport.on_load(:active_record) do
         require 'kaminari/models/active_record_extension'
         ::ActiveRecord::Base.send :include, Kaminari::ActiveRecordExtension
diff --git a/lib/kaminari/railtie.rb b/lib/kaminari/railtie.rb
index 5aee3f1..96a42bb 100644
--- a/lib/kaminari/railtie.rb
+++ b/lib/kaminari/railtie.rb
@@ -1,7 +1,7 @@
 module Kaminari
   class Railtie < ::Rails::Railtie #:nodoc:
     initializer 'kaminari' do |_app|
-      Kaminari::Hooks.init!
+      Kaminari::Hooks.init
     end
   end
 end
diff --git a/lib/kaminari/sinatra.rb b/lib/kaminari/sinatra.rb
index 50b6a06..6b28024 100644
--- a/lib/kaminari/sinatra.rb
+++ b/lib/kaminari/sinatra.rb
@@ -2,4 +2,4 @@ require 'sinatra/base'
 require 'kaminari'
 require 'kaminari/helpers/sinatra_helpers'
 
-Kaminari::Hooks.init!
+Kaminari::Hooks.init