diff --git a/SDL2.dll b/SDL2.dll
old mode 100755
new mode 100644
diff --git a/cygSDL2.dll b/cygSDL2.dll
old mode 100755
new mode 100644
diff --git a/distrib/luajit-distrib/lua51.dll b/distrib/luajit-distrib/lua51.dll
old mode 100755
new mode 100644
diff --git a/distrib/luajit-distrib/luajit.exe b/distrib/luajit-distrib/luajit.exe
old mode 100755
new mode 100644
diff --git a/distrib/luajit-distrib/msys-2.0.dll b/distrib/luajit-distrib/msys-2.0.dll
old mode 100755
new mode 100644
diff --git a/ms-windows-binaries/SDL2.dll b/ms-windows-binaries/SDL2.dll
old mode 100755
new mode 100644
diff --git a/ms-windows-binaries/lua51.dll b/ms-windows-binaries/lua51.dll
old mode 100755
new mode 100644
diff --git a/ms-windows-binaries/luajit-mconsole.exe b/ms-windows-binaries/luajit-mconsole.exe
old mode 100755
new mode 100644
diff --git a/ms-windows-binaries/luajit-mwindows.exe b/ms-windows-binaries/luajit-mwindows.exe
old mode 100755
new mode 100644
diff --git a/opengl.lua b/opengl.lua
index 5ba44ce..8b0ce25 100644
--- a/opengl.lua
+++ b/opengl.lua
@@ -147,7 +147,7 @@ require("loader")
 -- "assets/cube.obj" was corrected in loading (previous loader was conflicting vertex normals, super-imposed, re-assigned)
 -- "assets/head.obj" more complex and more memory intensive also (memory use improvement)
 model = load_obj_file("assets/head.obj")
-print("loading: "..(model and "OK" or "failed!"))
+print("loading: " .. (model and "OK" or "failed!"))
 
 function draw_model(model)
   local triangles, indexable_vertex_position_xyz, indexable_vertex_normal_xyz = model[1], model[2], model[3]