diff --git a/103120/schema/xsd/ts_103120_Task.xsd b/103120/schema/xsd/ts_103120_Task.xsd
index 59343ea78b3455ffa7a856cf41fc46268d9572d6..08d5f1e9f6b8613166394f2162a0476449fb1dca 100644
--- a/103120/schema/xsd/ts_103120_Task.xsd
+++ b/103120/schema/xsd/ts_103120_Task.xsd
@@ -124,6 +124,7 @@
                     <xs:element name="Flags" type="LDTaskFlags" minOccurs="0"/>
                     <xs:element name="AlternativePreservationReferences" type="ListOfAlternativePreservationReferences" minOccurs="0"/>
                     <xs:element name="NationalLDTaskingParameters" type="NationalLDTaskingParameters" minOccurs="0"/>
+                    <xs:element name="ManualInformation" type="etsi:LongString" minOccurs="0"/>
                 </xs:sequence>
             </xs:extension>
         </xs:complexContent>