cat does take arguments!
diff --git a/man/man1/0intro.1 b/man/man1/0intro.1
index bbe7012..5d54789 100644
--- a/man/man1/0intro.1
+++ b/man/man1/0intro.1
@@ -41,7 +41,7 @@
 .IR wc (1),
 are present, but in their Plan 9 forms:
 .I cat
-takes no arguments,
+takes no options,
 .I ls
 does not columnate its output when printing to a terminal,
 and