fix(compare) spacing before tooltip

Author: homersimpsons

site/static/compare.html

@@ -427,7 +427,8 @@ <h2>Comparing <span id="stat-header">{{stat}}</span> between <span id="before">{
                         <th>Scenario</th>
                         <th>% Change</th>
                         <th>
-                            Significance Factor<span class="tooltip">?
+                            Significance Factor
+                            <span class="tooltip">?
                                 <span class="tooltiptext">
                                     How much a particular result is over the significance threshold. A factor of 2.50x
                                     means