diff -r 9d0505d80044 -r 7eea57f6d847 docs/schema/sync.xsd
--- a/docs/schema/sync.xsd	Sun Sep 24 11:31:01 2017 +0200
+++ b/docs/schema/sync.xsd	Sun Sep 24 14:31:42 2017 +0200
@@ -58,6 +58,8 @@
                         minOccurs="0" type="xs:boolean" />
             <xs:element name="lock-push" default="false"
                         minOccurs="0" type="xs:boolean" />
+            <xs:element name="lock-timeout" default="0"
+                        minOccurs="0" type="xs:integer"/>
         </xs:all>
     </xs:complexType>