Some man pages.
diff --git a/man/man7/utf.7 b/man/man7/utf.7
index 97b7b1e..a240945 100644
--- a/man/man7/utf.7
+++ b/man/man7/utf.7
@@ -57,7 +57,7 @@
 .SM ASCII
 input.
 See
-.IR rune (2).
+.IR rune (3).
 .PP
 Letting numbers be binary,
 a rune x is converted to a multibyte