diff --git a/adcom1/adcom1.go b/adcom1/adcom1.go
index 8e2cc96..2a828d0 100644
--- a/adcom1/adcom1.go
+++ b/adcom1/adcom1.go
@@ -1,5 +1,7 @@
-// Package adcom1 implements types for AdCOM Specification v1.0
-// https://github.com/InteractiveAdvertisingBureau/AdCOM/blob/master/AdCOM%20v1.0%20FINAL.md
+// Package adcom1 provides AdCOM 1.0 types
+//
+// https://iabtechlab.com/standards/openmedia/
+// https://github.com/InteractiveAdvertisingBureau/AdCOM
 package adcom1
 
 /*
diff --git a/native1/native1.go b/native1/native1.go
index dd92b50..6b6831c 100644
--- a/native1/native1.go
+++ b/native1/native1.go
@@ -1,5 +1,6 @@
-// Package native1 provides OpenRTB Dynamic Native Ads API Specification Version 1.2
-// section 7 Reference Lists/Enumerations types/constants:
-// https://www.iab.com/guidelines/real-time-bidding-rtb-project/
-// https://www.iab.com/wp-content/uploads/2018/03/OpenRTB-Native-Ads-Specification-Final-1.2.pdf
+// Package native1 provides OpenRTB Native 1.2 types
+// (section "7 Reference Lists/Enumerations")
+//
+// https://iabtechlab.com/standards/openrtb-native/
+// https://iabtechlab.com/wp-content/uploads/2016/07/OpenRTB-Native-Ads-Specification-Final-1.2.pdf
 package native1
diff --git a/native1/request/request.go b/native1/request/request.go
index 067cfd3..9f8725e 100644
--- a/native1/request/request.go
+++ b/native1/request/request.go
@@ -1,7 +1,8 @@
-// Package request provides OpenRTB Dynamic Native Ads API Specification Version 1.2
-// section 4 Native Ad Request Markup Details types:
-// https://www.iab.com/guidelines/real-time-bidding-rtb-project/
-// https://www.iab.com/wp-content/uploads/2018/03/OpenRTB-Native-Ads-Specification-Final-1.2.pdf
+// Package request provides OpenRTB Native 1.2 types
+// (section "4 Native Ad Request Markup Details")
+//
+// https://iabtechlab.com/standards/openrtb-native/
+// https://iabtechlab.com/wp-content/uploads/2016/07/OpenRTB-Native-Ads-Specification-Final-1.2.pdf
 package request
 
 import (
diff --git a/native1/response/response.go b/native1/response/response.go
index 898cd75..91a1f0f 100644
--- a/native1/response/response.go
+++ b/native1/response/response.go
@@ -1,7 +1,8 @@
-// Package response provides OpenRTB Dynamic Native Ads API Specification Version 1.2
-// section 5 Native Ad Response Markup Details types:
-// https://www.iab.com/guidelines/real-time-bidding-rtb-project/
-// https://www.iab.com/wp-content/uploads/2018/03/OpenRTB-Native-Ads-Specification-Final-1.2.pdf
+// Package response provides OpenRTB Native 1.2 types
+// (section "5 Native Ad Response Markup Details")
+//
+// https://iabtechlab.com/standards/openrtb-native/
+// https://iabtechlab.com/wp-content/uploads/2016/07/OpenRTB-Native-Ads-Specification-Final-1.2.pdf
 package response
 
 import "encoding/json"
diff --git a/openrtb2/openrtb.go b/openrtb2/openrtb.go
deleted file mode 100644
index a76d11e..0000000
--- a/openrtb2/openrtb.go
+++ /dev/null
@@ -1,4 +0,0 @@
-// Package openrtb provides OpenRTB v2.5 types:
-// https://www.iab.com/guidelines/real-time-bidding-rtb-project/
-// https://www.iab.com/wp-content/uploads/2016/03/OpenRTB-API-Specification-Version-2-5-FINAL.pdf
-package openrtb2
diff --git a/openrtb2/openrtb2.go b/openrtb2/openrtb2.go
new file mode 100644
index 0000000..f15cba5
--- /dev/null
+++ b/openrtb2/openrtb2.go
@@ -0,0 +1,5 @@
+// Package openrtb2 provides OpenRTB 2.5 types
+//
+// https://iabtechlab.com/standards/openrtb/
+// https://iabtechlab.com/wp-content/uploads/2016/07/OpenRTB-API-Specification-Version-2-5-FINAL.pdf
+package openrtb2
diff --git a/openrtb3/openrtb3.go b/openrtb3/openrtb3.go
index e293133..1b1062b 100644
--- a/openrtb3/openrtb3.go
+++ b/openrtb3/openrtb3.go
@@ -1,5 +1,7 @@
-// Package openrtb3 implements types for OpenRTB Specification v3.0
-// https://github.com/InteractiveAdvertisingBureau/openrtb/blob/master/OpenRTB%20v3.0%20FINAL.md
+// Package openrtb3 provides OpenRTB 3.0 types
+//
+// https://iabtechlab.com/standards/openrtb/
+// https://github.com/InteractiveAdvertisingBureau/openrtb
 package openrtb3
 
 // OpenRTB top-level object is the root for both request and response payloads.