1 files changed, 1 insertions, 1 deletions

diff --git a/admin/CPP-DEFINES b/admin/CPP-DEFINES
index b2c11459c85..7e47a7a1aa9 100644
--- a/admin/CPP-DEFINES
+++ b/admin/CPP-DEFINES
@@ -4,7 +4,7 @@ of their use.  Feel free to add more macros and more categories.
 ** Distinguishing OSes **
 
 MAC_OS          Compiling for the `mac' window-system.
-MAC_OS8         Compiling for Mac OS Classic (v8 or v9).
+MAC_OS8         Compiling for Mac OS Classic (v8 or v9). No longer supported, all code using it can be removed.
 MAC_OSX         Compiling for Mac OS X.  Not bare Darwin.
 CYGWIN          Compiling the Cygwin port.
 __CYGWIN__      Ditto