diff --git a/src/engine/build.bat b/src/engine/build.bat
index 8335a0f01..62857d545 100644
--- a/src/engine/build.bat
+++ b/src/engine/build.bat
@@ -20,7 +20,8 @@ ECHO ###
 ECHO ### You can specify the toolset as the argument, i.e.:
 ECHO ###     .\build.bat msvc
 ECHO ###
-ECHO ### Toolsets supported by this script are: borland, como, gcc, gcc-nocygwin, intel-win32, metrowerks, mingw, msvc, vc7, vc8
+ECHO ### Toolsets supported by this script are: borland, como, gcc, gcc-nocygwin,
+ECHO ###     intel-win32, metrowerks, mingw, msvc, vc7, vc8, vc9
 ECHO ###
 set _error_=
 endlocal