diff --git a/CDT-eventConfig-v0_8_0.xsd b/CDT-eventConfig-v0_8_0.xsd
index e3487af34643f64837e525ea897803c9495be983..d0e5394c3b566854cae856fdf4c6072b1a234fae 100644
--- a/CDT-eventConfig-v0_8_0.xsd
+++ b/CDT-eventConfig-v0_8_0.xsd
@@ -39,8 +39,9 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 						<xs:element name="creator" type="m2m:ID" />
 						<xs:element name="eventID" type="xs:string" />
 						<xs:element name="eventType" type="m2m:eventType" />
-						<xs:element name="eventStart" type="xs:dateTime" minOccurs="0" />
-						<xs:element name="eventEnd" type="xs:dateTime" minOccurs="0" />
+						<!-- TODO: The next two types are shown as xs:dateTime in TS-0004   -->
+						<xs:element name="eventStart" type="m2m:timestamp" minOccurs="0" />
+						<xs:element name="eventEnd" type="m2m:timestamp" minOccurs="0" />
 						<xs:element name="operationType" minOccurs="0">
 							<xs:simpleType>
 								<xs:list itemType="m2m:operation" />
diff --git a/CDT-pollingChannel-v0_8_0.xsd b/CDT-pollingChannel-v0_8_0.xsd
index 63e19575baabced78f31d3fc9b02804c05e2baca..73f8d6df423d0040d632532341743bc19086b4bd 100644
--- a/CDT-pollingChannel-v0_8_0.xsd
+++ b/CDT-pollingChannel-v0_8_0.xsd
@@ -38,7 +38,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 					<xs:sequence>
 						<!-- No Resource Specific Attributes -->
 
-						<!-- Child Resources -->
+						<!-- Virtual Child Resource -->
 						<xs:element name="pollingChannelURI" type="xs:anyURI" />
 					</xs:sequence>
 				</xs:extension>
diff --git a/CDT-statsCollect-v0_8_0.xsd b/CDT-statsCollect-v0_8_0.xsd
index 9145ffe1c7cf3e3dcf1a0517c104af1df24ce546..f21c776c9c727511dc021e5efb8baf265e19e930 100644
--- a/CDT-statsCollect-v0_8_0.xsd
+++ b/CDT-statsCollect-v0_8_0.xsd
@@ -42,7 +42,8 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
                         <xs:element name="collectedEntityID" type="m2m:ID" />						
 						<xs:element name="statsRuleStatus" type="m2m:statsRuleStatusType" />
 						<xs:element name="statModel" type="m2m:statModelType" />
-						<xs:element name="collectPeriod" type="m2m:scheduleEntry" minOccurs="0" />
+						<!-- TODO: Shown as  "Extended Crontab Data String" in TS-0004   -->
+						<xs:element name="collectPeriod" type="m2m:scheduleEntries" minOccurs="0" />
                         <xs:element name="eventID" type="xs:string" minOccurs="0" />
                         
 						<!-- Child Resources -->