README.md in intercom-2.4.3 vs README.md in intercom-2.4.4

@@ -17,11 +17,11 @@
 
     gem install intercom
 
 Using bundler:
 
-    gem 'intercom', "~> 2.4.3"
+    gem 'intercom', "~> 2.4.4"
 
 ## Basic Usage
 
 ### Configure your access credentials
 
@@ -59,11 +59,11 @@
 # Find user by user_id
 user = Intercom::User.find(:user_id => "1")
 # Find user by id
 user = Intercom::User.find(:id => "1")
 # Create a user
-user = Intercom::User.create(:email => "[e-mail]", :name => "Bob Smith")
+user = Intercom::User.create(:email => "[e-mail]", :name => "Bob Smith", :signed_up_at => Time.now.to_i)
 # Update custom_attributes for a user
 user.custom_attributes["average_monthly_spend"] = 1234.56; user.save
 # Perform incrementing
 user.increment('karma'); user.save
 # Iterate over all users
@@ -354,6 +354,5 @@
 
 ```ruby
 Intercom.rate_limit_details
 #=> {:limit=>180, :remaining=>179, :reset_at=>2014-10-07 14:58:00 +0100}
 ```
-