Usage style sweep: spell "usage" with a small 'u'.

Also change one case of blatant __progname abuse (several more remain)
This commit does not touch anything in src/{contrib,crypto,gnu}/.

1 files changed, 1 insertions, 1 deletions

diff --git a/usr.sbin/ppp/systems.c b/usr.sbin/ppp/systems.c
index 4bcb751..68e888f 100644
--- a/usr.sbin/ppp/systems.c
+++ b/usr.sbin/ppp/systems.c
@@ -186,7 +186,7 @@ DecodeCtrlCommand(char *line, char *arg)
   if (!strncasecmp(line, "include", 7) && issep(line[7])) {
     end = InterpretArg(line+8, arg);
     if (*end && *end != '#')
-      log_Printf(LogWARN, "Usage: !include filename\n");
+      log_Printf(LogWARN, "usage: !include filename\n");
     else
       return CTRL_INCLUDE;
   }