diff --git a/README.txt b/README.txt
index d4522abe..dc9d6bf2 100644
--- a/README.txt
+++ b/README.txt
@@ -1,25 +1,25 @@
 
-Greetings - Welcome to the Milsko GUI Toolkit (Version pre-1.0)
+Greetings - Welcome to the Milsko GUI Toolkit (Version pre-1.0) 
 
-  This document contains a brief summary of the contents of this source
-distributions and building instructions for Milsko GUI Toolkit.
+  This document contains a brief summary of the contents of this source 
+distributions and building instructions for Milsko GUI Toolkit. 
 
                                   Requirements
 
-  Milsko requires either
-  * A Windows environment with GDI (so anything NT or 9x)
-  * A MacOS environment with Cocoa (10.4 or above supported)
-  * A Unix-like environment with X11 for runtime.
+  Milsko requires either 
+  * A Windows environment with GDI (so anything NT or 9x) 
+  * A MacOS environment with Cocoa (10.4 or above supported) 
+  * A Unix-like environment with X11 for runtime. 
 
-  To build Milsko for Windows, you must have one of following compilers:
-  * Visual C++ 6.0 or newer
-  * Borland C++ 5.5 or newer
-  * Open Watcom 2.0 or newer
-  * MinGW-w64
+  To build Milsko for Windows, you must have one of following compilers: 
+  * Visual C++ 6.0 or newer 
+  * Borland C++ 5.5 or newer 
+  * Open Watcom 2.0 or newer 
+  * MinGW-w64 
 
-  and for Unix-like and MacOS:
-  * GNU C Compiler
-  * Clang
+  and for Unix-like and MacOS: 
+  * GNU C Compiler 
+  * Clang 
 
 
                                     Contents
@@ -41,31 +41,31 @@ distributions and building instructions for Milsko GUI Toolkit.
 
                                 Building Milsko
 
-  Building Milsko depends on the platform you use, and the compiler you use.
+  Building Milsko depends on the platform you use, and the compiler you use. 
 
 A. Visual C++
 -------------
 
-1) Run `nmake -f NTMakefile'.
+1) Run `nmake -f NTMakefile'. 
 
 B. Borland C++
 --------------
 
-1) Run `make -f BorMakefile'.
+1) Run `make -f BorMakefile'. 
 
 C. Open Watcom
 --------------
 
-1) Run `wmake -f WatMakefile'.
+1) Run `wmake -f WatMakefile'. 
 
 D. MinGW-w64/GCC/Clang
 ----------------------
 
-1) Determine if you need Vulkan and/or OpenGL.
+1) Determine if you need Vulkan and/or OpenGL. 
 
-2) Run `./configure'.
-   For help, run `./configure --help'.
+2) Run `./configure'. 
+   For help, run `./configure --help'. 
 
-3) Run `make'.
+3) Run `make'. 
 
- -- Nishi  (nishi@nishi.boats)
+ -- Nishi  (nishi@nishi.boats) 
diff --git a/tools/readme.pl b/tools/readme.pl
index c511f794..7070312d 100755
--- a/tools/readme.pl
+++ b/tools/readme.pl
@@ -59,8 +59,10 @@ l("");
 c("Requirements");
 l("");
 l(
-"  Milsko requires the Windows environment with GDI (so anything NT or 9x) or the Unix-like environment with X11 for runtime."
-);
+"  Milsko requires either");
+l("  * A Windows environment with GDI (so anything NT or 9x)");
+l("  * A MacOS environment with Cocoa (10.4 or above supported)");
+l("  * A Unix-like environment with X11 for runtime.");
 l("");
 l("  To build Milsko for Windows, you must have one of following compilers:");
 l("  * Visual C++ 6.0 or newer");
@@ -68,7 +70,7 @@ l("  * Borland C++ 5.5 or newer");
 l("  * Open Watcom 2.0 or newer");
 l("  * MinGW-w64");
 l("");
-l("  and for Unix-like:");
+l("  and for Unix-like and MacOS:");
 l("  * GNU C Compiler");
 l("  * Clang");
 l("");