diff --git a/src/corelib/tools/qlocale_data_p.h b/src/corelib/tools/qlocale_data_p.h
index da653261465..90f2163e9e7 100644
--- a/src/corelib/tools/qlocale_data_p.h
+++ b/src/corelib/tools/qlocale_data_p.h
@@ -82,8 +82,9 @@ static const int ImperialMeasurementSystemsCount =
 
     http://www.unicode.org/cldr/
 
-    Do not change it, instead edit CLDR data and regenerate this file using
-    cldr2qlocalexml.py and qlocalexml2cpp.py.
+    Do not edit this section: instead regenerate it using
+    cldr2qlocalexml.py and qlocalexml2cpp.py on updated (or
+    edited) CLDR data; see qtbase/util/local_database/.
 */
 
 static const QLocaleId likely_subtags[] = {
diff --git a/src/corelib/tools/qtimezoneprivate_data_p.h b/src/corelib/tools/qtimezoneprivate_data_p.h
index 4a6a73fe635..69b9417f19b 100644
--- a/src/corelib/tools/qtimezoneprivate_data_p.h
+++ b/src/corelib/tools/qtimezoneprivate_data_p.h
@@ -119,7 +119,8 @@ struct QUtcData {
 
     http://www.unicode.org/cldr/
 
-    Do not change this data, only generate it using cldr2qtimezone.py.
+    Do not edit this code: run cldr2qtimezone.py on updated (or
+    edited) CLDR data; see qtbase/util/local_database/.
 */
 
 // Windows ID Key, Country Enum, IANA ID Index
diff --git a/util/local_database/cldr2qtimezone.py b/util/local_database/cldr2qtimezone.py
index 72abb3c3551..7c10b1dfd2e 100755
--- a/util/local_database/cldr2qtimezone.py
+++ b/util/local_database/cldr2qtimezone.py
@@ -342,7 +342,8 @@ newTempFile.write("""
 
     http://www.unicode.org/cldr/
 
-    Do not change this data, only generate it using cldr2qtimezone.py.
+    Do not edit this code: run cldr2qtimezone.py on updated (or
+    edited) CLDR data; see qtbase/util/local_database/.
 */
 
 """ % (str(datetime.date.today()), cldr_version, versionNumber) )
diff --git a/util/local_database/qlocalexml2cpp.py b/util/local_database/qlocalexml2cpp.py
index 41adbb96eec..8499469868e 100755
--- a/util/local_database/qlocalexml2cpp.py
+++ b/util/local_database/qlocalexml2cpp.py
@@ -515,8 +515,9 @@ def main():
 
     http://www.unicode.org/cldr/
 
-    Do not change it, instead edit CLDR data and regenerate this file using
-    cldr2qlocalexml.py and qlocalexml2cpp.py.
+    Do not edit this section: instead regenerate it using
+    cldr2qlocalexml.py and qlocalexml2cpp.py on updated (or
+    edited) CLDR data; see qtbase/util/local_database/.
 */
 
 """ % (str(datetime.date.today()), cldr_version) )