sh-utils: pinky docu update

[Clark Morgan]

--- pinky.c     2001/08/23 16:11:52     1.1
+++ pinky.c     2001/08/23 16:20:58
@@ -466,7 +466,7 @@ usage (int status)
       printf (_("Usage: %s [OPTION]... [USER]...\n"), program_name);
       printf (_("\
 \n\
-  -l              do long format output\n\
+  -l              do long format output (must specify at least one [USER])\n\
   -b              omit the user's home directory and shell in long format\n\
   -h              omit the user's project file in long format\n\
   -p              omit the user's plan file in long format\n\