diff --git a/docs/extend-parser.md b/docs/extend-parser.md
index 2cff5fe5..377f61ce 100644
--- a/docs/extend-parser.md
+++ b/docs/extend-parser.md
@@ -4,21 +4,25 @@ Run `Markdown Preview Enhanced: Extend Parser (Global)` or `Markdown Preview Enh
 
 ```javascript
 ({
+  /**
+   * Hook to modify the Markdown code before it is parsed.
+   *
+   * @param {String} markdown The original Markdown code.
+   * @returns {String} The modified Markdown code.
+   */
   onWillParseMarkdown: async function(markdown) {
     return markdown;
   },
 
+  /**
+   * Hook to modify the HTML output of the parser.
+   *
+   * @param {String} html The HTML code returned by the parser.
+   * @returns {String} The modified HTML code.
+   */
   onDidParseMarkdown: async function(html) {
     return html;
   },
-
-  onWillTransformMarkdown: async function(markdown) {
-    return markdown;
-  },
-
-  onDidTransformMarkdown: async function(markdown) {
-    return markdown;
-  },
 });
 ```