diff --git a/fullscreen.bs b/fullscreen.bs
index 269c133..7ae8a93 100644
--- a/fullscreen.bs
+++ b/fullscreen.bs
@@ -656,17 +656,10 @@ properties apply to this pseudo-element either.
 <h3 id=:fullscreen-pseudo-class><code>:fullscreen</code> pseudo-class</h3>
 
 <p>The <dfn id=css-pc-fullscreen selector><code>:fullscreen</code></dfn> pseudo-class must match any
-<a>element</a> <var>element</var> for which one of the following conditions is true:
+<a>element</a> whose <a>fullscreen flag</a> is set.
 
-<ul>
- <li><p><var>element</var>'s <a>fullscreen flag</a> is set.
-
- <li><p><var>element</var> is a <a>shadow host</a> and the result of <a>retargeting</a> its
- <a>node document</a>'s <a>fullscreen element</a> against <var>element</var> is <var>element</var>.
-</ul>
-
-<p class="note no-backref">This makes it different from the
-{{DocumentOrShadowRoot/fullscreenElement}} API, which returns the topmost <a>fullscreen element</a>.
+<p class=note>This makes it different from the {{DocumentOrShadowRoot/fullscreenElement}} API,
+which returns the topmost <a>fullscreen element</a>. It also does not perform <a>retargeting</a>.
 
 <h3 id=user-agent-level-style-sheet-defaults>User-agent level style sheet defaults</h3>
 <!-- HTML's "The CSS user agent style sheet and presentational hints" section uses this term -->