diff --git a/readme.md b/readme.md
index c7b29a2..58ad670 100644
--- a/readme.md
+++ b/readme.md
@@ -76,7 +76,7 @@ This package exports the following identifier: `fromMarkdown`.
 There is no default export.
 
 The export map supports the endorsed
-[`development` condition](https://nodejs.org/api/packages.html#packages_resolving_user_conditions).
+[`development` condition](https://nodejs.org/api/packages.html#packages\_resolving\_user\_conditions).
 Run `node --conditions development module.js` to get instrumented dev code.
 Without this condition, production code is loaded.