diff --git a/subjects/ephemeris/README.md b/subjects/ephemeris/README.md
index d867c600..45bda6e5 100644
--- a/subjects/ephemeris/README.md
+++ b/subjects/ephemeris/README.md
@@ -88,8 +88,11 @@ const myText = await page.$eval(
 - [HTML Elements](https://developer.mozilla.org/en-US/docs/Web/HTML/Element)
 - [HTML Attributes](https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes)
 - [Puppeteer](https://pptr.dev/)
-- [Node file system: read directory](https://nodejs.org/api/fs.html#fs_fs_readdir_path_options_callback)
-- [Node file system: read file](https://nodejs.org/api/fs.html#fs_fs_readfile_path_options_callback)
-- [Node file system: write file](https://nodejs.org/api/fs.html#fs_fs_writefile_file_data_options_callback)
-- [Node path: resolve](https://nodejs.org/api/path.html#path_path_resolve_paths)
-- [Node utilities: promisify](https://nodejs.org/api/util.html#util_util_promisify_original)
+- [Node file system: `readdir`](https://nodejs.org/api/fs.html#fs_fs_readdir_path_options_callback)
+- [Node file system: `readFile`](https://nodejs.org/api/fs.html#fs_fs_readfile_path_options_callback)
+- [Node file system: `writeFile`](https://nodejs.org/api/fs.html#fs_fs_writefile_file_data_options_callback)
+- [Node path: `resolve`](https://nodejs.org/api/path.html#path_path_resolve_paths)
+- [Node utilities: `promisify`](https://nodejs.org/api/util.html#util_util_promisify_original)
+- [`getElementById`](https://developer.mozilla.org/en-US/docs/Web/API/Document/getElementById))
+- [`textContent`](https://developer.mozilla.org/en-US/docs/Web/API/Node/textContent)
+- [`http-server`](https://www.npmjs.com/package/http-server) or [`serve`](https://www.npmjs.com/package/serve)