diff --git a/documentation/overview.md b/documentation/overview.md
index 33a5339..9cd0441 100644
--- a/documentation/overview.md
+++ b/documentation/overview.md
@@ -1,7 +1,7 @@
# Using the Spark CDM Connector
***Limited preview release***
-Guide last updated, Sept 12, 2020
+Guide last updated, Sept 29, 2020
**NOTE: This latest release of the doc applies to the 0.17 version of the Spark CDM Connector.**
@@ -302,17 +302,19 @@ The following datatype mappings are applied when converting CDM to/from Spark.
|**Spark** |**CDM**|
|---------|---------|
-|ByteType|Byte|
|ShortType|SmallInteger|
|IntegerType|Integer|
|LongType |BigInteger|
|DateType |Date|
+|Timestamp|DateTime (optionally Time, see below)|
|StringType|String|
|DoubleType|Double|
-|DecimalType(x,y)|Decimal (x,y), default scale and precision is (18,4)|
-|BooleanType|Boolean|
-|Timestamp|DateTime (optionally Time, see below)|
+|DecimalType(x,y)|Decimal (x,y) (default scale and precision is 18,4)|
|FloatType|Float|
+|BooleanType|Boolean|
+|ByteType|Byte|
+
+Note that the CDM Binary datatype is not suported.
#### Handling CDM Date, DateTime, and DateTimeOffset data
@@ -455,3 +457,4 @@ See https://github.com/Azure/spark-cdm-connector/tree/master/samples for sample
|8/14/20|_Updates for v0.17_
entityDefinitionStorage option is now supported;
Added Known Issue preventing resolution of the CDM CDN in Azure Databricks.|
|9/10/20|Noted that the submanifest containing the source entity must be explicitly specified on read if the entity is in a second or lower level manifest or if the source entity exists in multiple submanifests|
|9/12/20|Noted that that Spark 3.0 is not yet supported.|
+|9/29/20|Noted default for cdmSource option is referenced,
Listed Spark to CDM datatype mappings|