Update description

Author: kgryte

lib/node_modules/@stdlib/_tools/pkgs/names/README.md

@@ -47,7 +47,7 @@ function onList( error, names ) {
 
 The function accepts the following `options`:
 
--   **dir**: directory from which to search for packages. May be either an absolute path or a path relative to the `stdlib/lib/node_modules/` directory. Default: `/path/to/stdlib/lib/node_modules/`.
+-   **dir**: directory from which to search for packages. May be either an absolute path or a path relative to the `stdlib/lib/node_modules/` directory (e.g., `./@stdlib/math`). Default: `/path/to/stdlib/lib/node_modules/`.
 -   **pattern**: glob pattern used to find packages. Default: `'**/package.json'` (note: pattern **must** end with `package.json`).
 -   **ignore**: list of glob patterns used to exclude matches.