link update

Author: Pia Sommerauer

README.md

@@ -135,8 +135,7 @@ Finally, the third lecture is a feedback session where we will discuss some of t
 |  39  | lecture  | Thursday 09-26-2019 <br> 15:30 - 17:15  | BLOCK 3: Theory and work time |  | 
 |  39  | DEADLINE  | Friday 09-27-2019 <br> before 23:59  | SUBMIT ASSIGNMENT 3 | [submission form](https://forms.gle/JiDmuLLKxbjgA8Sn8) |
 |  40  | lecture  | Monday 09-30-2019 <br> 13:30 - 15:15  |  BLOCK 3: Feedback assignment |  |
-|  40  | lecture  | Thursday 10-03-2019 <br> 15:30 - 17:15  |  BLOCK 4: Introduction theory | **Please download and replace on your computer (right click --> save as):** <br> [Chapter 16 - Data formats I (CSV and TSV).ipynb](https://raw.githubusercontent.com/cltl/python-for-text-analysis/blob/master/Chapters/Chapter%2016%20-%20Data%20formats%20I%20(CSV%20and%20TSV).ipynb) <br>
-[Chapter 17 - Data formats II (JSON).ipynb](https://github.com/cltl/python-for-text-analysis/blob/master/Chapters/Chapter%2017%20-%20%20Data%20formats%20II%20(JSON).ipynb) <br> [Chapter 18 - Data formats III (XML).ipynb](https://github.com/cltl/python-for-text-analysis/blob/master/Chapters/Chapter%2018%20-%20Data%20formats%20III%20(XML).ipynb) <br> [ASSIGNMENT-4a.ipynb](https://github.com/cltl/python-for-text-analysis/blob/master/Assignments/ASSIGNMENT-4a.ipynb) <br> [ASSIGNMENT-4b.ipynb](https://github.com/cltl/python-for-text-analysis/blob/master/Assignments/ASSIGNMENT-4b.ipynb) |
+|  40  | lecture  | Thursday 10-03-2019 <br> 15:30 - 17:15  |  BLOCK 4: Introduction theory | **Please download and replace on your computer (right click --> save as):** <br> [Chapter 16 - Data formats I (CSV and TSV).ipynb](https://raw.githubusercontent.com/cltl/python-for-text-analysis/master/Chapters/Chapter%2016%20-%20Data%20formats%20I%20(CSV%20and%20TSV).ipynb) <br> [Chapter 17 - Data formats II (JSON).ipynb](https://raw.githubusercontent.com/cltl/python-for-text-analysis/master/Chapters/Chapter%2017%20-%20%20Data%20formats%20II%20(JSON).ipynb) <br> [Chapter 18 - Data formats III (XML).ipynb](https://raw.githubusercontent.com/cltl/python-for-text-analysis/master/Chapters/Chapter%2018%20-%20Data%20formats%20III%20(XML).ipynb) <br> [ASSIGNMENT-4a.ipynb](https://raw.githubusercontent.com/cltl/python-for-text-analysis/master/Assignments/ASSIGNMENT-4a.ipynb) <br> [ASSIGNMENT-4b.ipynb](https://raw.githubusercontent.com/cltl/python-for-text-analysis/master/Assignments/ASSIGNMENT-4b.ipynb) |
 |  41  | lecture  | Monday 10-07-2019 <br> 13:30 - 15:15  |  BLOCK 4: Theory and work time |  |
 |  41  | DEADLINE  | Tuesday 10-08-2019 <br> before 20:00  | SUBMIT ASSIGNMENT 4  | [submission form](https://forms.gle/ioBtZFoT5iwvn6mX9) |
 |  41  | lecture  | Thursday 10-10-2019  <br> 15:30 - 17:15 | BLOCK 4: Feedback assignment |  |