Index: src/wp-admin/css/common.css
===================================================================
--- src/wp-admin/css/common.css	(revision 42542)
+++ src/wp-admin/css/common.css	(working copy)
@@ -627,7 +627,11 @@
 .page-title-action:focus {
 	color: #124964;
 }
-
+/* Dashicon for site language on General setting screen */
+.form-table th label[for="WPLANG"] .dashicons {
+	margin-left: 5px;
+	vertical-align: middle;
+}
 .wrap .page-title-action:focus {
 	border-color: #5b9dd9;
 	box-shadow: 0 0 2px rgba( 30, 140, 190, 0.8 );
Index: src/wp-admin/options-general.php
===================================================================
--- src/wp-admin/options-general.php	(revision 42542)
+++ src/wp-admin/options-general.php	(working copy)
@@ -162,7 +162,7 @@
 if ( ! empty( $languages ) || ! empty( $translations ) ) {
 	?>
 	<tr>
-		<th scope="row"><label for="WPLANG"><?php _e( 'Site Language' ); ?></label></th>
+		<th scope="row"><label for="WPLANG"><?php _e( 'Site Language' ); ?><span class="dashicons dashicons-translation"></span></label></th>
 		<td>
 			<?php
 			$locale = get_locale();