diff --git a/lib/libc/stdlib/a64l.3 b/lib/libc/stdlib/a64l.3
index 97545e99231..50cb4444c7e 100644
--- a/lib/libc/stdlib/a64l.3
+++ b/lib/libc/stdlib/a64l.3
@@ -159,7 +159,7 @@ If value is 0,
 .Fn l64a
 returns a pointer to an empty string.
 .Sh SEE ALSO
-.Xr stroul 3
+.Xr strtoul 3
 .Sh HISTORY
 The
 .Fn a64l ,