diff --git a/README.md b/README.md
index 8c9114c..d4ef07e 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ This package implements the following methods:
 * ``updateCard($options)`` – update a stored card's expiry or customer reference.
 
 For general usage instructions, please see the [Omnipay documentation](http://omnipay.thephpleague.com/).
+For information on the parameters needed for each request, see the class documentation for that request in the Message folder.
 
 ### Basic Example
 
diff --git a/src/Gateway.php b/src/Gateway.php
index 1ffa163..51e090e 100644
--- a/src/Gateway.php
+++ b/src/Gateway.php
@@ -3,7 +3,6 @@
 namespace Omnipay\FirstAtlanticCommerce;
 
 use Omnipay\Common\AbstractGateway;
-use Omnipay\FirstAtlanticCommerce\ParameterTrait;
 
 /**
  * First Atlantic Commerce Payment Gateway 2 (XML POST Service)
diff --git a/src/Message/AuthorizeRequest.php b/src/Message/AuthorizeRequest.php
index ea072ea..1ea3bb6 100644
--- a/src/Message/AuthorizeRequest.php
+++ b/src/Message/AuthorizeRequest.php
@@ -6,6 +6,15 @@
 
 /**
  * FACPG2 Authorize Request
+ *
+ * Required Parameters:
+ * amount - Float ex. "10.00",
+ * currency - Currency code ex. "USD",
+ * card - Instantiation of Omnipay\FirstAtlanticCommerce\CreditCard
+ *
+ * There are also 2 optional boolean parameters outside of the normal Omnipay parameters:
+ * requireAVSCheck - will tell FAC that we want the to verify the address through AVS
+ * createCard - will tell FAC to create a tokenized card in their system while it is authorizing the transaction
  */
 class AuthorizeRequest extends AbstractRequest
 {
diff --git a/src/Message/CaptureRequest.php b/src/Message/CaptureRequest.php
index a72523e..3564e6b 100644
--- a/src/Message/CaptureRequest.php
+++ b/src/Message/CaptureRequest.php
@@ -4,6 +4,10 @@
 
 /**
  * FACPG2 Capture Request
+ *
+ * Required Parameters:
+ * transactionId - Corresponds to the merchant's transaction ID
+ * amount - eg. "10.00"
  */
 class CaptureRequest extends AbstractTransactionModificationRequest
 {
diff --git a/src/Message/CreateCardRequest.php b/src/Message/CreateCardRequest.php
index e13c400..34dbc4c 100644
--- a/src/Message/CreateCardRequest.php
+++ b/src/Message/CreateCardRequest.php
@@ -2,10 +2,14 @@
 
 namespace Omnipay\FirstAtlanticCommerce\Message;
 
-use Omnipay\FirstAtlanticCommerce\Message\AbstractRequest;
 
 /**
  * FACPG2 Tokenize Request
+ *
+ * Required Parameters:
+ * customerReference - name of the customer using the card
+ * card - Instantiation of Omnipay\FirstAtlanticCommerce\CreditCard()
+ *
  */
 class CreateCardRequest extends AbstractRequest
 {
diff --git a/src/Message/PurchaseRequest.php b/src/Message/PurchaseRequest.php
index 93e1595..45bafa0 100644
--- a/src/Message/PurchaseRequest.php
+++ b/src/Message/PurchaseRequest.php
@@ -2,11 +2,19 @@
 
 namespace Omnipay\FirstAtlanticCommerce\Message;
 
-use Omnipay\FirstAtlanticCommerce\Message\AuthorizeRequest;
-
 /**
  * FACPG2 Purchase Request
+ *
+ * Required Parameters:
+ * amount - Float ex. "10.00",
+ * currency - Currency code ex. "USD",
+ * card - Instantiation of Omnipay\FirstAtlanticCommerce\CreditCard
+ *
+ * There are also 2 optional boolean parameters outside of the normal Omnipay parameters:
+ * requireAVSCheck - will tell FAC that we want the to verify the address through AVS
+ * createCard - will tell FAC to create a tokenized card in their system while it is authorizing the transaction
  */
+
 class PurchaseRequest extends AuthorizeRequest
 {
     /**
diff --git a/src/Message/RefundRequest.php b/src/Message/RefundRequest.php
index 0eeb854..4ab06e7 100644
--- a/src/Message/RefundRequest.php
+++ b/src/Message/RefundRequest.php
@@ -5,6 +5,10 @@
 
 /**
  * FACPG2 Refund Request
+ *
+ * Required Parameters:
+ * transactionId - Corresponds to the merchant's transaction ID
+ * amount - eg. "10.00"
  */
 class RefundRequest extends AbstractTransactionModificationRequest
 {
diff --git a/src/Message/StatusRequest.php b/src/Message/StatusRequest.php
index 64b09c0..597b012 100644
--- a/src/Message/StatusRequest.php
+++ b/src/Message/StatusRequest.php
@@ -2,10 +2,11 @@
 
 namespace Omnipay\FirstAtlanticCommerce\Message;
 
-use Omnipay\FirstAtlanticCommerce\Message\AbstractRequest;
-
 /**
  * FACPG2 Transaction Status Request
+ *
+ * Required parameters:
+ * transactionId - corresponds to the merchant's transaction ID
  */
 class StatusRequest extends AbstractRequest
 {
diff --git a/src/Message/UpdateCardRequest.php b/src/Message/UpdateCardRequest.php
index b96c0e8..32ba363 100644
--- a/src/Message/UpdateCardRequest.php
+++ b/src/Message/UpdateCardRequest.php
@@ -6,6 +6,11 @@
 
 /**
  * FACPG2 Update Token Request
+ *
+ * Required Parameters:
+ * customerReference - The name of the customer
+ * cardReference - This is the token created by FAC for the card being updated
+ * card - Instantiation of the Omnipay\FirstAtlanticCommerce\CreditCard class
  */
 class UpdateCardRequest extends AbstractRequest
 {
diff --git a/src/Message/VoidRequest.php b/src/Message/VoidRequest.php
index 90ed9ce..f9d8cfa 100644
--- a/src/Message/VoidRequest.php
+++ b/src/Message/VoidRequest.php
@@ -4,6 +4,10 @@
 
 /**
  * FACPG2 Reversal Request
+ *
+ * Required Parameters:
+ * transactionId - Corresponds to the merchant's transaction ID
+ * amount - eg. "10.00"
  */
 class VoidRequest extends AbstractTransactionModificationRequest
 {
diff --git a/tests/IntegrationTest.php b/tests/IntegrationTest.php
index 9a1efc1..4a5ca81 100644
--- a/tests/IntegrationTest.php
+++ b/tests/IntegrationTest.php
@@ -187,6 +187,5 @@ public function testAuthorizeWithCreateCard()
 
         $this->assertTrue($authorizeResponse->isSuccessful());
         $this->assertNotEmpty($authorizeResponse->getCardReference());
-        echo $authorizeResponse->getCardReference();
     }
 }
\ No newline at end of file