[css-align-3] Update changes list

Author: fantasai

css-align-3/Overview.bs

@@ -2551,9 +2551,11 @@ Changes</h2>
 		<li>Defer definition of ''align-self/normal'' alignment for [=absolutely positioned boxes=] to [[css-position-3]].
 			(<a href="https://github.com/w3c/csswg-drafts/issues/11215">Issue 11215</a>,
 			 <a href="https://github.com/w3c/csswg-drafts/issues/11285">Issue 11285</a>)
-		<li>Remove the sentence that states that ''row-gap'' does not apply in multicol.
-		Added a statement that ''row-gap'' is introduced for multicol in CSS-MULTICOL-2
+		<li>Changed sentence about applicability of 'row-gap' to [=multi-column containers=]
+			to indicate that it applies in [[CSS-MULTICOL-2]].
 			(<a href="https://github.com/w3c/csswg-drafts/issues/11539#issuecomment-2628431667">Issue 11539</a>)
+		<li>Defined that [=gutters=] dissappear at [=fragmentation breaks=].
+			(<a href="https://github.com/w3c/csswg-drafts/issues/11520">Issue 11520</a>)
 	</ul>
 
 	Changes since the <a href="https://www.w3.org/TR/2021/WD-css-align-3-20211224/">24 December 2021 Working Draft</a> include: