update the schedule

schedule.md

@@ -22,16 +22,16 @@ Date    | Lecture/Tutorial/Meetup  | Topics | Responsibles
 22.01  |   | **Release the first assignment**
 23.01  |Tutorial 1 | [Hands-on examples with Data services](tutorials/consistency)|**Debayan Bhattacharya, Linh Truong** 
 29.01   |Lecture 4 | [Big Data Ingestion, Transformation and Orchestration]() (download [PDF]()). Additional slides about [Streaming Data Ingestion with Apache Kafka]() | **Linh Truong**
-30.01  | Tutorial 2  | [Data Ingestion with Apache Nifi](tutorials/nifi)| **Hong-Tri Nguyen, Anh-Dung Nguyen, Minh-Tri Nguyen**
+30.01  | Tutorial 2  | [Data Ingestion with Apache Nifi](tutorials/nifi)| **Hong-Tri Nguyen,  Minh-Tri Nguyen**
 05.02  | No lecture/Meetup | Backup| **All**
 06.02  |Tutorial 3 | [Kafka for Big Data](https://github.com/rdsea/bigdataplatforms/tree/master/tutorials/basickafka)| **Korawit Rupanya, Anh-Dung Nguyen**
 7.02  |   |  **Due of the first assignment -13.00**
 12.02  |Lecture 5 | [Programming Models for Big Data Processing]() (download [PDF]())| **Linh Truong**
-13.02  |Tutorial 4 | [Data Processing with Apache Spark](tutorials/spark/README.md)  | ****
+13.02  |Tutorial 4 | [Data Processing with Apache Spark](tutorials/spark/README.md)  | **Debayan Bhattacharya, Minh-Tri Nguyen**
 17-21.02  | No lecture week  | Finalizing assignment 1 grading| **All**
 26.02  |Lecture 6  | [Workflows for Big Data Platforms]() (download [PDF]())| **Linh-Truong**
 26.02  |   | **Release the 2nd assignment**
-27.02  |Tutorial 5| [Data processing examples with Airflow](https://github.com/rdsea/bigdataplatforms/tree/master/tutorials/airflow)| **Korawit Rupanya, Linh-Truong**
+27.02  |Tutorial 5| [Data processing examples with Airflow](https://github.com/rdsea/bigdataplatforms/tree/master/tutorials/airflow)| **Korawit Rupanya, Anh-Dung Nguyen, Linh-Truong**
 05.03  |Lecture 7 | [Stream Processing]() (download [PDF]()) | **Linh Truong**
 06.03  |Backup | On-demand topic related to assignment | 
 12.03  |No lecture/Hands-on|  |