diff --git a/man/zip_source_function.mdoc b/man/zip_source_function.mdoc
index 83354ba..81049d8 100644
--- a/man/zip_source_function.mdoc
+++ b/man/zip_source_function.mdoc
@@ -1,4 +1,4 @@
-.\" $NiH: zip_source_function.mdoc,v 1.13 2005/06/09 21:14:54 wiz Exp $
+.\" $NiH: zip_source_function.mdoc,v 1.14 2005/07/20 17:18:04 wiz Exp $
 .\"
 .\" zip_source_function.mdoc -- create data source from function
 .\" Copyright (C) 2004, 2005 Dieter Baron and Thomas Klausner
@@ -31,7 +31,7 @@
 .\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 .\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd July 20, 2005
+.Dd March 25, 2006
 .Dt ZIP_SOURCE_FUNCTION 3
 .Os
 .Sh NAME
@@ -55,7 +55,7 @@
 .Ed
 .Pp
 When called by the library, the first argument is the
-.Ar state
+.Ar userdata
 argument supplied to
 .Fn zip_source_function .
 The next two arguments are a buffer
@@ -86,7 +86,7 @@
 Get meta information for the input data.
 .Ar data
 points to a struct zip_stat, which should be filled in.
-Return 0 on success, \-1 on error.
+Return sizeof(struct zip_stat) on success, \-1 on error.
 .It Dv ZIP_SOURCE_ERROR
 Get error information.
 .Ar data
@@ -96,7 +96,7 @@
 See
 .Xr zip_errors 3
 for details on the error codes.
-Return 0.
+Return return(2 * sizeof(int)).
 .It Dv ZIP_SOURCE_FREE
 Clean up and free all resources.
 Return 0.