diff --git a/usr.bin/killall/killall.1 b/usr.bin/killall/killall.1
index c87ca7e3b105..9c81346d12e7 100644
--- a/usr.bin/killall/killall.1
+++ b/usr.bin/killall/killall.1
@@ -104,7 +104,7 @@ or
 .Fl t
 flags, limit potentially matching processes to those matching
 the specified
-.Ar progname .
+.Ar procname .
 .It Fl z
 Do not skip zombies.
 This should not have any effect except to print a few error messages