diff --git a/bip-0075.mediawiki b/bip-0075.mediawiki
index 45ae282e..77616ba9 100644
--- a/bip-0075.mediawiki
+++ b/bip-0075.mediawiki
@@ -109,7 +109,7 @@ message InvoiceRequest {
 This enum is used in the newly defined [[#ProtocolMessage|ProtocolMessage]] and [[#EncryptedProtocolMessage|EncryptedProtocolMessage]] messages to define the serialized message type. The '''ProtocolMessageType''' enum is defined in an extensible way to allow for new message type additions to the Payment Protocol.
 <pre>
 enum ProtocolMessageType {
-    UNKNOWN_TYPE = 0;
+    UNKNOWN_MESSAGE_TYPE = 0;
     INVOICE_REQUEST = 1;
     PAYMENT_REQUEST = 2;
     PAYMENT = 3;
diff --git a/bip-0075/paymentrequest.proto b/bip-0075/paymentrequest.proto
index caab02a9..9f170fe1 100644
--- a/bip-0075/paymentrequest.proto
+++ b/bip-0075/paymentrequest.proto
@@ -57,7 +57,7 @@ message InvoiceRequest {
 }
 
 enum ProtocolMessageType {
-    UNKNOWN_TYPE = 0;
+    UNKNOWN_MESSAGE_TYPE = 0;
     INVOICE_REQUEST = 1;
     PAYMENT_REQUEST = 2;
     PAYMENT = 3;