Update README.md

README.md

@@ -142,7 +142,7 @@ How the dataset is divided for training, validation, and testing: **stratified**
 Publications that reference or describe the dataset.
 
 ### Publication 01
-- **DOI**: [10.1038/s41597-024-04214-y](10.1038/s41597-024-04214-y)
+- **DOI**: [10.1038/s41597-024-04214-y](https://doi.org/10.1038/s41597-024-04214-y)
 - **Summary**: Version 1 of the SEN2NAIPv2 dataset.
 - **BibTeX Citation**:
 ```bibtex
@@ -162,7 +162,7 @@ Publications that reference or describe the dataset.
 ```
 
 ### Publication 02
-- **DOI**: [10.1109/LGRS.2024.3401394](10.1109/LGRS.2024.3401394)
+- **DOI**: [10.1109/LGRS.2024.3401394](https://doi.org/10.1109/LGRS.2024.3401394)
 - **Summary**: Set of tools to evaluate super-resolution models in the context of Sentinel-2 imagery.
 - **BibTeX Citation**:
 ```bibtex