diff --git a/text-crossrefs/README.md b/text-crossrefs/README.md
index 87c9e2c..4a3bf7c 100644
--- a/text-crossrefs/README.md
+++ b/text-crossrefs/README.md
@@ -56,7 +56,7 @@ Here are some valid invocations:
 It is up to you to define `\crossrefenum` in your preamble.
 If your target format is LaTeX, it should be possible to define it as a wrapper
 for the `\zcref` macro provided by [the zref-clever package](https://ctan.org/pkg/zref-clever).
-Alternatively, you can use [my implementation](TODO),
+Alternatively, you can use [my implementation](https://ctan.org/pkg/crossrefenum),
 which currently supports ConTeXt and LaTeX.
 Here are some hints about the implementation of the `\crossrefenum` macro: