added link to paper to README.md

README.md

@@ -3,7 +3,7 @@
 This python project was created as part of the article "Natural Language Processing in diagnostic texts from
 nephropathology".
 
-The paper can be found [here](LINK).
+The paper can be found [here](https://doi.org/10.3390/diagnostics12071726).
 
 The scripts ```database_preparation/data_preparation_pipeline.py```, ```TextClustering/clustering_pipeline.py```
 and ```TextClassification/classification_pipeline.py``` gives an idea of how this project can be used with other datasets.
@@ -18,9 +18,9 @@ Feel free to use and adapt the scripts to your own needs.
 
 ## Requirements
 
-Create a new environment, then install the required python packages with
+Create a new environment, then install the required python packages with:
 
-```pip install -r requirements.txt```.  
+```pip install -r requirements.txt```
 
 The script ```database_preparation/preprocess.py``` requires some nltk corporas:
 ```