README.md in intercom-2.2.1 vs README.md in intercom-2.2.2

@@ -17,11 +17,11 @@
 
     gem install intercom
 
 Using bundler:
 
-    gem 'intercom', "~> 2.2.1"
+    gem 'intercom', "~> 2.2.2"
 
 ## Basic Usage
 
 ### Configure your access credentials
 
@@ -42,11 +42,11 @@
     https://api.intercom.io/events
     https://api.intercom.io/conversations
     https://api.intercom.io/messages
     https://api.intercom.io/counts
     https://api.intercom.io/subscriptions
-    
+
 Additionally, the library can handle incoming webhooks from Intercom and convert to `Intercom::` models.
 
 ### Examples
 
 #### Users
@@ -111,11 +111,11 @@
 Intercom::Tag.find_all_for_user(:email => '[e-mail]')
 Intercom::Tag.find_all_for_user(:user_id => '3')
 # Tag companies
 tag = Intercom::Tag.tag_companies('red', ["42ea2f1b93891f6a99000427"])
 # Untag companies
-Intercom::Tag.untag_users('blue', ["42ea2f1b93891f6a99000427"])
+Intercom::Tag.untag_companies('blue', ["42ea2f1b93891f6a99000427"])
 # Iterate over all tags for company
 Intercom::Tag.find_all_for_company(:id => '43357e2c3c77661e25000026')
 Intercom::Tag.find_all_for_company(:company_id => '6')
 ```
 
@@ -203,13 +203,14 @@
 Intercom::User.count
 Intercom::Segment.count
 Intercom::Tag.count
 ```
 
-#### Full loading of and embedded entity
+#### Full loading of an embedded entity
 ```ruby
-# Given a converation with a partial user, load the full user. This can be done for any entity
+# Given a conversation with a partial user, load the full user. This can be
+# done for any entity
 conversation.user.load
 ```
 
 #### Sending messages
 ```ruby
@@ -221,11 +222,11 @@
   :from => {
     :type => 'admin',
     :id   => "1234"
   },
   :to => {
-    :type => :user,
+    :type => "user",
     :id   => "5678"
   }
 })
 
 # Email message from admin to user
@@ -269,20 +270,20 @@
 
 Metadata Objects support a few simple types that Intercom can present on your behalf
 
 ```ruby
 Intercom::Event.create(:event_name => "placed-order", :email => current_user.email,
-  :created_at => 1403001013
+  :created_at => 1403001013,
   :metadata => {
-    :order_date => Time.now.to_i,  
+    :order_date => Time.now.to_i,
     :stripe_invoice => 'inv_3434343434',
     :order_number => {
       :value => '3434-3434',
       :url => 'https://example.org/orders/3434-3434'
     },
     price: {
-      :currency => 'usd',  
+      :currency => 'usd',
       :amount => 2999
     }
   }
 )
 ```
@@ -334,9 +335,10 @@
 
 ```ruby
 Intercom::AuthenticationError
 Intercom::ServerError
 Intercom::ServiceUnavailableError
+Intercom::ServiceConnectionError
 Intercom::ResourceNotFound
 Intercom::BadRequestError
 Intercom::RateLimitExceeded
 Intercom::AttributeNotSetError # Raised when you try to call a getter that does not exist on an object
 ```