diff --git a/documentation/source/other-impls.rst b/documentation/source/other-impls.rst
index ab4a404..6a1688a 100644
--- a/documentation/source/other-impls.rst
+++ b/documentation/source/other-impls.rst
@@ -3,7 +3,12 @@
 Other Implementations
 *********************
 
-* https://github.com/mafintosh/flat-tree
-* https://github.com/datrs/flat-tree
-* https://github.com/bcomnes/flattree
-* https://github.com/datcxx/flat-tree
+* `mafintosh/flat-tree`_
+* `datrs/flat-tree`_
+* `bcomnes/flattree`_
+* `datcxx/flat-tree`_
+
+.. _mafintosh/flat-tree: https://github.com/mafintosh/flat-tree
+.. _datrs/flat-tree: https://github.com/datrs/flat-tree
+.. _bcomnes/flattree: https://github.com/bcomnes/flattree
+.. _datcxx/flat-tree: https://github.com/datcxx/flat-tree