Remove RETURN VALUES section for function with return type void.
Closes issue #269.
diff --git a/man/zip_source_rollback_write.mdoc b/man/zip_source_rollback_write.mdoc
index 50a2a60..9d6ab8d 100644
--- a/man/zip_source_rollback_write.mdoc
+++ b/man/zip_source_rollback_write.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 18, 2017
+.Dd November 3, 2021
.Dt ZIP_SOURCE_ROLLBACK_WRITE 3
.Os
.Sh NAME
@@ -50,11 +50,6 @@
.Xr zip_source_begin_write 3
was called.
Usually this removes temporary files or frees buffers.
-.Sh RETURN VALUES
-Upon successful completion 0 is returned.
-Otherwise, \-1 is returned and the error information in
-.Ar source
-is set to indicate the error.
.Sh SEE ALSO
.Xr libzip 3 ,
.Xr zip_source 3 ,
