diff --git a/img2dxf.py b/img2dxf.py
index 5bba952..add4c73 100644
--- a/img2dxf.py
+++ b/img2dxf.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 '''
-IMG2DXF - Program for conversion of image heightfield to triangle mesh in DXF format 
+IMG2DXF - Program for conversion of image heightfield to triangle mesh in DXF format
 -----------------------------------------------------------------------------------------
 
 Created by: Ilya Razmanov (mailto:ilyarazmanov@gmail.com)  
diff --git a/img2mesh.py b/img2mesh.py
index 16da171..46b652e 100644
--- a/img2mesh.py
+++ b/img2mesh.py
@@ -3,7 +3,7 @@
 '''
 IMG2MESH - Program for conversion of image heightfield to triangle 3D-mesh in different formats
 ------------------------------------------------------------------------------------------------
-Common GUI shell for img2pov, img2obj, img2stl and img2dxf modules. 
+Common GUI shell for img2pov, img2obj, img2stl and img2dxf modules.
 
 Created by: Ilya Razmanov (mailto:ilyarazmanov@gmail.com)  
             aka Ilyich the Toad (mailto:amphisoft@gmail.com)  
diff --git a/img2obj.py b/img2obj.py
index 40489e1..f6dbab6 100644
--- a/img2obj.py
+++ b/img2obj.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 '''
-IMG2OBJ - Program for conversion of image heightfield to triangle mesh in OBJ format 
+IMG2OBJ - Program for conversion of image heightfield to triangle mesh in OBJ format
 -----------------------------------------------------------------------------------------
 
 Created by: Ilya Razmanov (mailto:ilyarazmanov@gmail.com)  
diff --git a/img2pov.py b/img2pov.py
index fe9cb2d..27075da 100644
--- a/img2pov.py
+++ b/img2pov.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 '''
-IMG2POV - Program for conversion of image heightfield to triangle mesh in POVRay format 
+IMG2POV - Program for conversion of image heightfield to triangle mesh in POVRay format
 ---------------------------------------------------------------------------------------------
 
 Created by: Ilya Razmanov (mailto:ilyarazmanov@gmail.com)  
diff --git a/img2stl.py b/img2stl.py
index e7ba442..77713a8 100644
--- a/img2stl.py
+++ b/img2stl.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 '''
-IMG2STL - Program for conversion of image heightfield to triangle mesh in STL format 
+IMG2STL - Program for conversion of image heightfield to triangle mesh in STL format
 -----------------------------------------------------------------------------------------
 
 Created by: Ilya Razmanov (mailto:ilyarazmanov@gmail.com)