fixup! Bug 31286: Implementation of bridge, proxy, and firewall settings in...

fixup! Bug 31286: Implementation of bridge, proxy, and firewall settings in about:preferences#connection

Bug 42663: Add tooltip text to the "Connection" category.

browser/components/torpreferences/content/connectionCategory.inc.xhtml

@@ -2,6 +2,8 @@
               class="category"
               value="paneConnection"
               helpTopic="prefs-connection"
+              data-l10n-id="tor-connection-settings-category"
+              data-l10n-attrs="tooltiptext"
               align="center"
               hidden="true">
   <image class="category-icon"/>