fixup loop

Author: guybedford

doc/api/esm.md

@@ -179,8 +179,8 @@ _ESM_RESOLVE_:
 > 1. Assert: _packageSpecifier_ is a bare specifier.
 > 1. If _packageSpecifier_ is a Node.js builtin module then,
 >    1. Return _"node:${packageSpecifier}"_.
-> 1. Set _parentURL_ to the parent folder URL of _parentURL_.
 > 1. While _parentURL_ contains a non-empty _pathname_,
+>    1. Set _parentURL_ to the parent folder URL of _parentURL_.
 >    1. Let _packageURL_ be the URL resolution of
 >       _"${parentURL}/node_modules/${packageSpecifier}"_.
 >    1. If the file at _packageURL_ exists then,