diff --git a/README.md b/README.md
index 75c4b3b..3bdc41f 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ Updating the lookup table is done with a script. The source of truth is the
 [multicodec default table](https://github.com/multiformats/multicodec/blob/master/table.csv).
 Update the table with running:
 
-    curl -X GET https://raw.githubusercontent.com/multiformats/multicodec/master/table.csv | ./tools/update-table.py
+    curl -X GET https://raw.githubusercontent.com/multiformats/multicodec/master/table.csv | ./tools/update-table.js
 
 ## Contribute