Add NumFOCUS link
@@ -280,7 +280,7 @@ The umap package is 3-clause BSD licensed.
We would like to note that the umap package makes heavy use of
NumFOCUS sponsored projects, and would not be possible without
-their support, so please `consider contributing to NumFOCUS <>`_.
+their support, so please `consider contributing to NumFOCUS <https://www.numfocus.org/membership>`_.
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Contributing
