[css-break] Fix markup

Author: frivoal

css-break-3/Overview.bs

@@ -828,12 +828,12 @@ Breaking into Varying-size Fragmentainers</h3>
   <ul>
     <li>
       Boxes (including tables) fullfilling layout constraints at their
-      <i lt='stretch-fit size'>stretch-fit</a> or percentage-based size
+      <a lt='stretch-fit size'>stretch-fit</a> or percentage-based size
       may change <a>inline size</a> across pages.
     </li>
     <li>
       Boxes (including tables) fulfilling layout constraints at their
-      <i lt="min-content size">min-content</a>, <i lt="max-content size">max-content</a>, or absolute-length size
+      <a lt="min-content size">min-content</a>, <a lt="max-content size">max-content</a>, or absolute-length size
       will maintain their <a>inline size</a> across pages.
     </li>
     <li>