diff --git a/code/controllers/AssetAdmin.php b/code/controllers/AssetAdmin.php
index 3d35a0f9..324e85dc 100644
--- a/code/controllers/AssetAdmin.php
+++ b/code/controllers/AssetAdmin.php
@@ -190,7 +190,7 @@ JS
 			$syncButton = new LiteralField(
 				'SyncButton',
 				sprintf(
-					'<a class="ss-ui-button ss-ui-action ui-button-text-icon-primary ss-ui-button-ajax" title="%s" href="%s">%s</a>',
+					'<a class="ss-ui-button ss-ui-action ui-button-text-icon-primary ss-ui-button-ajax" data-icon="arrow-circle-double" title="%s" href="%s">%s</a>',
 					_t('AssetAdmin.FILESYSTEMSYNCTITLE', 'Update the CMS database entries of files on the filesystem. Useful when new files have been uploaded outside of the CMS, e.g. through FTP.'),
 					$this->Link('doSync'),
 					_t('FILESYSTEMSYNC','Sync files')
diff --git a/css/screen.css b/css/screen.css
index 4c04c398..aeaf891f 100644
--- a/css/screen.css
+++ b/css/screen.css
@@ -1,7 +1,7 @@
 /** This file is the central collection of included modules, links to custom SCSS files, and any global SCSS variable definitions.  DO NOT ADD stylesheet rules to this file directly!  Note: By prefixing files with an underscore, they won't create individual CSS files. */
 /** ----------------------------- Core Compass Libraries ------------------------------ */
 /** ----------------------------- CMS Components ------------------------------ */
-/** Style  custom to the CMSMain admin interface. CMSMain extends the built in SilverStripe admin section styles. As much as possible we want to use those  built in styles. If anything in this file can be implemented in a generic  way then it should be include in the admin scss files.  @package cms */
+/** Style  custom to the CMSMain admin interface. CMSMain extends the built in  SilverStripe admin section styles. As much as possible we want to use those  built in styles. If anything in this file can be implemented in a generic  way then it should be include in the admin scss files.  @package cms */
 /** ------------------------------------------------------------------ Page History Section. ----------------------------------------------------------------- */
 #cms-page-history-versions tr.loading { color: #999; }
 #cms-page-history-versions tr.loading td:hover { cursor: none; }