Apply suggestions from code review

Co-authored-by: David Anderson <[email protected]>

docs/content.zh/docs/connectors/datastream/cassandra.md

@@ -105,7 +105,7 @@ More details on [checkpoints docs]({{< ref "docs/dev/datastream/fault-tolerance/
 
 ## Examples
 
-The Cassandra sinks currently support both Tuple and POJO data types, and Flink automatically detects which type of input is used. For general use case of those streaming data type, please refer to [Supported Data Types]({{< ref "docs/dev/datastream/fault-tolerance/serialization/types_serialization" >}}#supported-data-types). We show two implementations based on [SocketWindowWordCount](https://github.com/apache/flink/blob/master/flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/socket/SocketWindowWordCount.java), for Pojo and Tuple data types respectively.
+The Cassandra sink currently supports both Tuple and POJO data types, and Flink automatically detects which type of input is used. For general use of those streaming data types, please refer to [Supported Data Types]({{< ref "docs/dev/datastream/fault-tolerance/serialization/types_serialization" >}}#supported-data-types). We show two implementations based on [SocketWindowWordCount](https://github.com/apache/flink/blob/master/flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/socket/SocketWindowWordCount.java), for POJO and Tuple data types respectively.
 
 In all these examples, we assumed the associated Keyspace `example` and Table `wordcount` have been created.
 

docs/content/docs/connectors/datastream/cassandra.md

@@ -105,7 +105,7 @@ More details on [checkpoints docs]({{< ref "docs/dev/datastream/fault-tolerance/
 
 ## Examples
 
-The Cassandra sinks currently support both Tuple and POJO data types, and Flink automatically detects which type of input is used. For general use case of those streaming data type, please refer to [Supported Data Types]({{< ref "docs/dev/datastream/fault-tolerance/serialization/types_serialization" >}}#supported-data-types). We show two implementations based on [SocketWindowWordCount](https://github.com/apache/flink/blob/master/flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/socket/SocketWindowWordCount.java), for Pojo and Tuple data types respectively.
+The Cassandra sink currently supports both Tuple and POJO data types, and Flink automatically detects which type of input is used. For general use of those streaming data types, please refer to [Supported Data Types]({{< ref "docs/dev/datastream/fault-tolerance/serialization/types_serialization" >}}#supported-data-types). We show two implementations based on [SocketWindowWordCount](https://github.com/apache/flink/blob/master/flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/socket/SocketWindowWordCount.java), for POJO and Tuple data types respectively.
 
 In all these examples, we assumed the associated Keyspace `example` and Table `wordcount` have been created.