Update README.md

README.md

@@ -146,4 +146,4 @@ The authors distribute this data under Creative Commons attribution license, CC-
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 ### Contributions
-Thanks to [mkonxd](https://github.com/mkonxd), [leondz](https://github.com/leondz) for adding this dataset.
+Thanks to [mkonxd](https://github.com/mkonxd) for adding this dataset.