diff --git a/docs/latex/wx/cppconst.tex b/docs/latex/wx/cppconst.tex
index 8f0cb52d39..5448a15e72 100644
--- a/docs/latex/wx/cppconst.tex
+++ b/docs/latex/wx/cppconst.tex
@@ -14,7 +14,7 @@ by category (and sorted by alphabetical order inside each category).
 \twocolitem{\_\_WXGTK12\_\_}{GTK 1.2 or higher}
 \twocolitem{\_\_WXGTK20\_\_}{GTK 2.0 or higher}
 \twocolitem{\_\_WXMOTIF\_\_}{Motif}
-\twocolitem{\_\_WXMAC\_\_}{MacOS}
+\twocolitem{\_\_WXMAC\_\_}{Mac OS whether Classic (Mac OS 8/9) or Carbon (including Mac OS X)}
 \twocolitem{\_\_WXMGL\_\_}{SciTech Soft MGL (\_\_WXUNIVERSAL\_\_ will be also
 defined)}
 \twocolitem{\_\_WXMSW\_\_}{Any Windows}
@@ -41,7 +41,7 @@ only GUIs implemented for 2.0 are \_\_WXGTK\_\_, \_\_WXMSW\_\_ and
 \twocolitem{\_\_AIX\_\_}{AIX}
 \twocolitem{\_\_BSD\_\_}{Any *BSD system}
 \twocolitem{\_\_CYGWIN\_\_}{Cygwin: Unix on Win32}
-\twocolitem{\_\_DARWIN\_\_}{Mac OS X}
+\twocolitem{\_\_DARWIN\_\_}{Mac OS X using the BSD Unix C library (as opposed to using the Metrowerks MSL C/C++ library)}
 \twocolitem{\_\_DATA\_GENERAL\_\_}{DG-UX}
 \twocolitem{\_\_DOS\_GENERAL\_\_}{DOS (used with wxMGL only)}
 \twocolitem{\_\_FREEBSD\_\_}{FreeBSD}