diff --git a/lib/token.js b/lib/token.js
index 54e1a5c0c..69bc2774a 100644
--- a/lib/token.js
+++ b/lib/token.js
@@ -84,7 +84,10 @@ function Token(type, tag, nesting) {
   /**
    * Token#info -> String
    *
-   * fence infostring
+   * Additional information:
+   *
+   * - Info string for "fence" tokens
+   * - The value "auto" for autolink "link_open" and "link_close" tokens
    **/
   this.info     = '';