diff --git a/xsd/NeTEx_publication-NoConstraint.xsd b/xsd/NeTEx_publication-NoConstraint.xsd
index 266fefb3b..74f8c8586 100644
--- a/xsd/NeTEx_publication-NoConstraint.xsd
+++ b/xsd/NeTEx_publication-NoConstraint.xsd
@@ -66,7 +66,7 @@ Roads and Road transport.
- Identifier of system requesting Data.
+ External code identifying the source of the data being exchanged.
diff --git a/xsd/NeTEx_publication.xsd b/xsd/NeTEx_publication.xsd
index 221bc3ddc..bb274c6e7 100644
--- a/xsd/NeTEx_publication.xsd
+++ b/xsd/NeTEx_publication.xsd
@@ -251,7 +251,7 @@
- Identifier of system requesting Data.
+ External code identifying the source of the data being exchanged.
diff --git a/xsd/NeTEx_publication_timetable.xsd b/xsd/NeTEx_publication_timetable.xsd
index 61057bc81..8c3778196 100644
--- a/xsd/NeTEx_publication_timetable.xsd
+++ b/xsd/NeTEx_publication_timetable.xsd
@@ -102,7 +102,7 @@ Roads and Road transport.
- Identifier of system requesting Data.
+ External code identifying the source of the data being exchanged.
diff --git a/xsd/netex_part_1/part1_networkDescription/netex_line_version.xsd b/xsd/netex_part_1/part1_networkDescription/netex_line_version.xsd
index 85a954399..08aff636b 100644
--- a/xsd/netex_part_1/part1_networkDescription/netex_line_version.xsd
+++ b/xsd/netex_part_1/part1_networkDescription/netex_line_version.xsd
@@ -373,7 +373,7 @@ Rail transport, Roads and Road transport
- Public identifier of a LINe.
+ Public identifier of a LINE.
diff --git a/xsd/wsdl/NeTEx_publication-NoConstraint.xsd b/xsd/wsdl/NeTEx_publication-NoConstraint.xsd
index 74c3fb8ba..742c5f071 100644
--- a/xsd/wsdl/NeTEx_publication-NoConstraint.xsd
+++ b/xsd/wsdl/NeTEx_publication-NoConstraint.xsd
@@ -66,7 +66,7 @@ Roads and Road transport.
- Identifier of system requesting Data.
+ External code identifying the source of the data being exchanged.