diff --git a/src/lib/libc/string/index.3 b/src/lib/libc/string/index.3
index 04db37eb..e6560cc8 100644
--- a/src/lib/libc/string/index.3
+++ b/src/lib/libc/string/index.3
@@ -31,7 +31,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: index.3,v 1.2 1996/08/19 08:34:02 tholo Exp $
+.\"	$OpenBSD: index.3,v 1.3 1997/07/10 23:54:34 millert Exp $
 .\"
 .Dd April 19, 1991
 .Dt INDEX 3
@@ -76,7 +76,7 @@ locates the terminating '\e0'.
 .Xr strstr 3 ,
 .Xr strtok 3
 .Sh HISTORY
-A
+An
 .Fn index
 function appeared in 
 .At v6 .