Winzip AES encryption support for writing.
diff --git a/man/zip_source_read.mdoc b/man/zip_source_read.mdoc
index c9a29b9..7fb5d96 100644
--- a/man/zip_source_read.mdoc
+++ b/man/zip_source_read.mdoc
@@ -1,5 +1,5 @@
 .\" zip_source_read.mdoc -- read data from zip source
-.\" Copyright (C) 2014 Dieter Baron and Thomas Klausner
+.\" Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
 .\"
 .\" This file is part of libzip, a library to manipulate ZIP archives.
 .\" The authors can be contacted at <libzip@nih.at>
@@ -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 November 18, 2014
+.Dd December 16, 2016
 .Dt ZIP_SOURCE_READ 3
 .Os
 .Sh NAME
@@ -58,6 +58,7 @@
 first.
 .Sh RETURN VALUES
 Upon successful completion the number of bytes read is returned.
+Upon reading end-of-file, zero is returned.
 Otherwise, \-1 is returned and the error information in
 .Ar source
 is set to indicate the error.