clarify some things

diff --git a/INSTALL b/INSTALL
index 5b78e35eed36d1953f884e9b1ebc325a04573000..3740aeb50b13df7dbeecefce174ac46aba791b7c 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -403,11 +403,14 @@ Special features/options:
        Normally, sudo will tell the user when a command could not be found
        in their $PATH.  Some sites may wish to disable this as it could
        be used to gather information on the location of executables that
-       the normal user does not have access to.
+       the normal user does not have access to.  The disadvantage is that
+       if the executable is simply not in the user's path, sudo will tell
+       the user that they are not allowed to run it, which can be confusing.
 
   --disable-sia
        Disable SIA support.  This is the "Security Integration Architecture"
-       on Digital UNIX.
+       on Digital UNIX. If you disable SIA sudo will use its own
+       authentication routines.
 
 Shadow password and C2 support
 ==============================