diff --git a/src/Graphic3d/Graphic3d_Mat4d.hxx b/src/Graphic3d/Graphic3d_Mat4d.hxx
index 11e2d40a8c..847cbdc664 100644
--- a/src/Graphic3d/Graphic3d_Mat4d.hxx
+++ b/src/Graphic3d/Graphic3d_Mat4d.hxx
@@ -2,8 +2,8 @@
 //
 // This file is part of Open CASCADE Technology software library.
 //
-// This library is free software; you can redistribute it and/or modify it
-// under the terms of the GNU Lesser General Public version 2.1 as published
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.
diff --git a/src/Message/Message_Printer.lxx b/src/Message/Message_Printer.lxx
index 8e2f5e5629..fe3034aeb1 100644
--- a/src/Message/Message_Printer.lxx
+++ b/src/Message/Message_Printer.lxx
@@ -4,8 +4,8 @@
 //
 // This file is part of Open CASCADE Technology software library.
 //
-// This library is free software; you can redistribute it and/or modify it
-// under the terms of the GNU Lesser General Public version 2.1 as published
+// This library is free software; you can redistribute it and/or modify it under 
+// the terms of the GNU Lesser General Public License version 2.1 as published
 // by the Free Software Foundation, with special exception defined in the file
 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
 // distribution for complete text of the license and disclaimer of any warranty.