Update README.md

fixing LILA maintainers link

README.md

@@ -456,7 +456,7 @@ The annotations have been provided by domain experts in fields such as biology a
 
 ### Personal and Sensitive Information
 
-Some of the original data sets included a “human” class label; for privacy reasons, these images were removed. Those labels are still present in the metadata. If those images are important to your work, contact the [LILA maintainers](info@lila.science), since in some cases it will be possible to release those images under an alternative license.
+Some of the original data sets included a “human” class label; for privacy reasons, these images were removed. Those labels are still present in the metadata. If those images are important to your work, contact the [LILA maintainers](mailto:info@lila.science), since in some cases it will be possible to release those images under an alternative license.
 
 ## Considerations for Using the Data