Fix formatting in doc
@@ -1956,12 +1956,14 @@ select <attribute name>, <aggregate function>(<attribute name>) as <attribute na
aggregate by <timestamp attribute> every <time periods> ;
```
-Following table includes the `annotation` to be used
+Following table includes the `annotation` to be used to enable distributed aggregation,
+
Item | Description
------|------
`@PartitionById` | If the annotation is given, then the distributed aggregation is enabled. Further this can be disabled by using `enable` element, </br>`@PartitionById(enable='false')`.</br>
+Further, following system properties are also available,
System Property| Description| Possible Values | Optional | Default Value
---------|---------|---------|---------|------
