grammar fixes;

src/lib/libc/stdlib/strtod.3

@@ -29,7 +29,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: strtod.3,v 1.11 2008/06/13 21:04:24 landry Exp $
+.\"	$OpenBSD: strtod.3,v 1.12 2008/06/13 23:50:49 jmc Exp $
 .\"
 .Dd $Mdocdate: June 13 2008 $
 .Dt STRTOD 3
@@ -84,7 +84,7 @@ The
 .Fn strtod
 and
 .Fn strtof
-functions returns the converted value, if any.
+functions return the converted value, if any.
 .Pp
 If
 .Fa endptr
@@ -125,5 +125,5 @@ The
 .Fn strtod
 and
 .Fn strtof
-functions conforms to
+functions conform to
 .St -ansiC .