diff --git a/aclitem_array.go b/aclitem_array.go
index 064436fd..2df0ccd4 100644
--- a/aclitem_array.go
+++ b/aclitem_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/bool_array.go b/bool_array.go
index d5f89629..a8c75a25 100644
--- a/bool_array.go
+++ b/bool_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/bpchar_array.go b/bpchar_array.go
index 10d0d0f7..ed6fe703 100644
--- a/bpchar_array.go
+++ b/bpchar_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/bytea_array.go b/bytea_array.go
index 6a45e4da..87d77f9e 100644
--- a/bytea_array.go
+++ b/bytea_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/cidr_array.go b/cidr_array.go
index 5231e208..a2e025cc 100644
--- a/cidr_array.go
+++ b/cidr_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/date_array.go b/date_array.go
index 51d00da1..fe185f67 100644
--- a/date_array.go
+++ b/date_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/enum_array.go b/enum_array.go
index 528cdb03..9312264c 100644
--- a/enum_array.go
+++ b/enum_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/float4_array.go b/float4_array.go
index bc9d4746..0e95c446 100644
--- a/float4_array.go
+++ b/float4_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/float8_array.go b/float8_array.go
index acc94b3f..240e88d6 100644
--- a/float8_array.go
+++ b/float8_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/hstore_array.go b/hstore_array.go
index 54909e42..b258cbdd 100644
--- a/hstore_array.go
+++ b/hstore_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/inet_array.go b/inet_array.go
index 6d9f11fb..ca4c1a02 100644
--- a/inet_array.go
+++ b/inet_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/int2_array.go b/int2_array.go
index 35f73fee..ad2bd094 100644
--- a/int2_array.go
+++ b/int2_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/int4_array.go b/int4_array.go
index 2ff32ee1..15565f64 100644
--- a/int4_array.go
+++ b/int4_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/int8_array.go b/int8_array.go
index 17968338..e8e8823a 100644
--- a/int8_array.go
+++ b/int8_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/macaddr_array.go b/macaddr_array.go
index 72a4e8d4..616d6f85 100644
--- a/macaddr_array.go
+++ b/macaddr_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/numeric_array.go b/numeric_array.go
index e808669c..e086ca7a 100644
--- a/numeric_array.go
+++ b/numeric_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/text_array.go b/text_array.go
index 969054f8..d1583557 100644
--- a/text_array.go
+++ b/text_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/timestamp_array.go b/timestamp_array.go
index 81fd85f8..3b2c3141 100644
--- a/timestamp_array.go
+++ b/timestamp_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/timestamptz_array.go b/timestamptz_array.go
index 48725e29..3328ec05 100644
--- a/timestamptz_array.go
+++ b/timestamptz_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/tstzrange_array.go b/tstzrange_array.go
index 2c365645..c19a9bfa 100644
--- a/tstzrange_array.go
+++ b/tstzrange_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/typed_array.go.erb b/typed_array.go.erb
index d8ae97dd..a3deea5b 100644
--- a/typed_array.go.erb
+++ b/typed_array.go.erb
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/uuid_array.go b/uuid_array.go
index 0c02977f..06d2d576 100644
--- a/uuid_array.go
+++ b/uuid_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (
diff --git a/varchar_array.go b/varchar_array.go
index 5758ba62..32ca5941 100644
--- a/varchar_array.go
+++ b/varchar_array.go
@@ -1,3 +1,5 @@
+// Code generated by erb. DO NOT EDIT.
+
 package pgtype
 
 import (