[css-break] fix markup

Author: fantasai

css-break/Overview.html

@@ -413,8 +413,8 @@ <h2 id=fragmentation-model><span class=secno>2. </span> Fragmentation Model
    <var>F<sub>2</sub></var> is the <a href="#break-types">type of break</a>
    created by the <a href="#fragmentation-context"><i>fragmentation
    context</i></a> that split <var>F</var>, not the type of break normally
-   created by <var>F</var>‘<code class=css>s own <a
-   href="#fragmentation-context"><i>fragmentation context</i></a>. </code>
+   created by <var>F</var>’s own <a
+   href="#fragmentation-context"><i>fragmentation context</i></a>.
 
   <p class=note> Breaking inline content into lines is another form of
    fragmentation, and similarly creates box fragments when it breaks <a
@@ -429,7 +429,7 @@ <h2 id=breaking-controls><span class=secno>3. </span> Controlling Breaks</h2>
   <p> The following sections explain how breaks are controlled in a <a
    href="#fragmented-flow"><i>fragmented flow</i></a>. A page/column/region
    break opportunity between two boxes is under the influence of the
-   containing block’s ‘<a href="#break-inside"><code
+   containing block's ‘<a href="#break-inside"><code
    class=property>break-inside</code></a>’ property, the ‘<a
    href="#break-after"><code class=property>break-after</code></a>’
    property of the preceding element, and the ‘<a

css-break/Overview.src.html

@@ -186,7 +186,7 @@ <h2 id="fragmentation-model">
     between the two pieces <var>F<sub>1</sub></var> and <var>F<sub>2</sub></var>
     is the <a href="#break-types">type of break</a> created
     by the <i>fragmentation context</i> that split <var>F</var>,
-    not the type of break normally created by <var>F</var>'s own <i>fragmentation context</i>.
+    not the type of break normally created by <var>F</var>’s own <i>fragmentation context</i>.
   </p>
 
   <p class="note">