diff --git a/lib/libutil/logwtmp.3 b/lib/libutil/logwtmp.3
index 765fddeb74d9..496595f33b50 100644
--- a/lib/libutil/logwtmp.3
+++ b/lib/libutil/logwtmp.3
@@ -23,7 +23,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\" 
-.\" $Id: logwtmp.3,v 1.4 1997/02/22 15:08:30 peter Exp $
+.\" $Id: logwtmp.3,v 1.5 1997/05/11 08:50:33 davidn Exp $
 .\" "
 .Dd December 29, 1996
 .Os
@@ -35,7 +35,7 @@
 .Fd #include <sys/types.h>
 .Fd #include <libutil.h>
 .Ft void
-.Fn logwtmp "char *line" "char *name" "char *host"
+.Fn logwtmp "const char *line" "const char *name" "const char *host"
 .Pp
 Link with
 .Va -lutil