minor readme update

Author: AleksMat

README.md

@@ -97,8 +97,8 @@ If you would like to contribute to `eo-learn`, check out our [contribution guide
  * [Land Cover Classification with eo-learn: Part 3 - Pushing Beyond the Point of “Good Enough”](https://medium.com/sentinel-hub/land-cover-classification-with-eo-learn-part-3-c62ed9ecd405) (by Matic Lubej)
  * [Innovations in satellite measurements for development](https://blogs.worldbank.org/opendata/innovations-satellite-measurements-development)
  * [Use eo-learn with AWS SageMaker](https://medium.com/@drewbo19/use-eo-learn-with-aws-sagemaker-9420856aafb5) (by Drew Bollinger)
- * [Spatio-Temporal Deep Learning: An Application to Land Cover Classification](https://www.researchgate.net/publication/333262625_Spatio-Temporal_Deep_Learning_An_Application_to_Land_Cover_Classification)(by Anze Zupanc) 
- * [Tree Cover Prediction with Deep Learning](https://medium.com/dataseries/tree-cover-prediction-with-deep-learning-afeb0b663966)(by Daniel Moraite)
+ * [Spatio-Temporal Deep Learning: An Application to Land Cover Classification](https://www.researchgate.net/publication/333262625_Spatio-Temporal_Deep_Learning_An_Application_to_Land_Cover_Classification) (by Anze Zupanc)
+ * [Tree Cover Prediction with Deep Learning](https://medium.com/dataseries/tree-cover-prediction-with-deep-learning-afeb0b663966) (by Daniel Moraite)
 
 ## Questions and Issues