Fix formatting.

cms/templates/widgets/problem-edit.html

@@ -36,9 +36,9 @@
                     <img src="/static/img/choice-example.png" />
                 </div>
                 <div class="col">
-            <pre><code>( ) red
-                ( ) green
-                (x) blue</code></pre>
+<pre><code>( ) red
+( ) green
+(x) blue</code></pre>
                 </div>
             </div>
             <div class="row">
@@ -47,9 +47,9 @@
                     <img src="/static/img/multi-example.png" />
                 </div>
                 <div class="col">
-            <pre><code>[ ] earth
-                [ ] wind
-                [x] water</code></pre>
+<pre><code>[x] earth
+[ ] wind
+[x] water</code></pre>
                 </div>
             </div>
             <div class="row">