diff --git a/source b/source
index e185320d347..9497d9eaec2 100644
--- a/source
+++ b/source
@@ -22057,6 +22057,9 @@ interface <dfn>HTMLHyperlinkElementUtils</dfn> {
    <li><p>If <var>url</var>'s <span>cannot-be-a-base-URL flag</span> is set, return the first string
    in <var>url</var>'s <span data-x="concept-url-path">path</span>.</p></li>
 
+   <li><p>If <var>url</var>'s <span data-x="concept-url-path">path</span> is empty, then return the
+   empty string.</p></li>
+
    <li><p>Return "<code data-x="">/</code>", followed by the strings in <var>url</var>'s <span
    data-x="concept-url-path">path</span> (including empty strings), separated from each other by
    "<code data-x="">/</code>".</p></li>
@@ -81112,6 +81115,9 @@ State: &lt;OUTPUT NAME=I>1&lt;/OUTPUT> &lt;INPUT VALUE="Increment" TYPE=BUTTON O
    <li><p>If <var>url</var>'s <span>cannot-be-a-base-URL flag</span> is set, return the first string
    in <var>url</var>'s <span data-x="concept-url-path">path</span>.</p></li>
 
+   <li><p>If <var>url</var>'s <span data-x="concept-url-path">path</span> is empty, then return the
+   empty string.</p></li>
+
    <li><p>Return "<code data-x="">/</code>", followed by the strings in <var>url</var>'s <span
    data-x="concept-url-path">path</span> (including empty strings), separated from each other by
    "<code data-x="">/</code>".</p></li>