diff --git a/readme.txt b/readme.txt
index b29de8f3c..66d364f99 100644
--- a/readme.txt
+++ b/readme.txt
@@ -16,12 +16,20 @@ Compiling
   The Makefile works under Linux.
   To make it work under Windows with DJGPP, change "g++" to "gxx".
 
-  To build cppcheck with qmake, run this commands:
-    qmake -config release – this will generate Makefile (use 'debug' instead of
-        'release' if doing developer build)
-    make – this will build command-line tool, GUI and autotests
-    make sub-src – this will build command-line tool only
-    make check – this one will build and run autotests
+  To build cppcheck with qmake, run these commands:
+  
+   Generate Makefile (use 'debug' instead of 'release' if doing developer build)
+   (If you are using Mac OS, you need to add "-spec macx-g++" to the command):
+     qmake -config release
+    
+   Build command-line tool, GUI and autotests:
+     make
+
+   To build command-line tool only:
+     make sub-src 
+    
+   To build and run autotests:
+     make check
 
 Cross compiling Win32 (CLI) version of Cppcheck in Linux