diff --git a/README.md b/README.md
index 95f07bd..cbb22a2 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ Object Types & Operations
 Support for the following object types:
 
 + Accounts
++ Campaigns
 + Emails
 + Lists
 + Opportunities
@@ -86,7 +87,7 @@ p.authenticate()
 
 ###Querying Objects
 
-Supported search criteria varies for each object. Check the [official Pardot API documentation](http://developer.pardot.com/kb/api-version-3/introduction-table-of-contents) for supported parameters. Most objects support `limit`, `offset`, `sort_by`, and `sort_order` parameters. PyPardot returns JSON for all API queries.
+Supported search criteria varies for each object. Check the [official Pardot API documentation](http://developer.pardot.com/#official-pardot-api-documentation) for supported parameters. Most objects support `limit`, `offset`, `sort_by`, and `sort_order` parameters. PyPardot returns JSON for all API queries.
 
 **Note**: Pardot only returns 200 records with each request. Use `offset` to retrieve matching records beyond this limit.
 
@@ -100,7 +101,7 @@ for prospect in prospects['prospect']
 
 ### Editing/Updating/Reading Objects
 
-Supported fields varies for each object. Check the [official Pardot API documentation](http://developer.pardot.com/kb/api-version-3/introduction-table-of-contents) to see the fields associated with each object. 
+Supported fields varies for each object. Check the [official Pardot API documentation](http://developer.pardot.com/kb/object-field-references/) to see the fields associated with each object. 
 
 ```
 # Create a new prospect
@@ -130,7 +131,7 @@ Pardot API keys expire after 60 minutes. If PyPardot detects an 'Invalid API key
 
 #### Invalid API parameters
 
-If an API call is made with missing or invalid parameters, a `PardotAPIError` is thrown. Error instances contain the error code and message corresponding to error response returned by the API. See [Pardot Error Codes & Messages](http://developer.pardot.com/kb/api-version-3/error-codes-and-messages) in the official documentation.
+If an API call is made with missing or invalid parameters, a `PardotAPIError` is thrown. Error instances contain the error code and message corresponding to error response returned by the API. See [Pardot Error Codes & Messages](http://developer.pardot.com/kb/error-codes-messages/) in the official documentation.
 
 Performing API calls is inherently unsafe, so be sure to catch exceptions: