Fix date.

man/zip_source_error.mdoc

diff --git a/man/zip_source_error.mdoc b/man/zip_source_error.mdoc
index ffea10b..50ec552 100644
--- a/man/zip_source_error.mdoc
+++ b/man/zip_source_error.mdoc
@@ -29,7 +29,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd December 298, 2016
+.Dd December 29, 2016
 .Dt ZIP_SOURCE_ERROR 3
 .Os
 .Sh NAME