diff --git a/modules/ECMQmLoader.cpp.in b/modules/ECMQmLoader.cpp.in
--- a/modules/ECMQmLoader.cpp.in
+++ b/modules/ECMQmLoader.cpp.in
@@ -1,4 +1,4 @@
-/* This file has been generated by ecm_create_qm_loader(). Do not modify!
+/* This file was generated by ecm_create_qm_loader(). DO NOT EDIT!
  *
  * Building this file in a library ensures translations are automatically loaded
  * when an application makes use of the library.
diff --git a/modules/ECMQtDeclareLoggingCategory.h.in b/modules/ECMQtDeclareLoggingCategory.h.in
--- a/modules/ECMQtDeclareLoggingCategory.h.in
+++ b/modules/ECMQtDeclareLoggingCategory.h.in
@@ -1,4 +1,4 @@
-// This file is autogenerated by CMake: DO NOT EDIT
+// This file was generated by ecm_qt_declare_logging_category(): DO NOT EDIT!
 
 #ifndef @GUARD_NAME@
 #define @GUARD_NAME@
diff --git a/modules/ECMQtDeclareLoggingCategory.cpp.in b/modules/ECMQtDeclareLoggingCategory.cpp.in
--- a/modules/ECMQtDeclareLoggingCategory.cpp.in
+++ b/modules/ECMQtDeclareLoggingCategory.cpp.in
@@ -1,4 +1,4 @@
-// This file is autogenerated by CMake: DO NOT EDIT
+// This file was generated by ecm_qt_declare_logging_category(): DO NOT EDIT!
 
 #include "@HEADER_NAME@"
 
diff --git a/modules/ECMVersionHeader.h.in b/modules/ECMVersionHeader.h.in
--- a/modules/ECMVersionHeader.h.in
+++ b/modules/ECMVersionHeader.h.in
@@ -1,3 +1,5 @@
+// This file was generated by ecm_setup_version(): DO NOT EDIT!
+
 #ifndef @HEADER_PREFIX@_VERSION_H
 #define @HEADER_PREFIX@_VERSION_H