Index: t3lib/class.t3lib_befunc.php
===================================================================
--- t3lib/class.t3lib_befunc.php	(revision 3716)
+++ t3lib/class.t3lib_befunc.php	(working copy)
@@ -3958,9 +3958,11 @@
 
 			if (count($warnings)) {
 				$style = ' style="margin-bottom:10px;"';
-				$content = '<table border="0" cellpadding="0" cellspacing="0" class="warningbox"><tr><td>'.
-					$GLOBALS['TBE_TEMPLATE']->icons(3).'Important notice!<br /><ul><li'.$style.'>'.
-					implode('</li><li'.$style.'>', $warnings).'</li></ul>'.
+				$content = '<table border="0" cellpadding="0" cellspacing="0" class="warningbox"><tr><td>' .
+					$GLOBALS['TBE_TEMPLATE']->icons(3) . '<span class="warningboxheader">' .
+					$GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xml:warning.header') .
+					'</span><br /><ul><li' . $style.'>' .
+					implode('</li><li' . $style . '>', $warnings) . '</li></ul>' .
 					'</td></tr></table>';
 
 				unset($warnings);
Index: typo3/stylesheet.css
===================================================================
--- typo3/stylesheet.css	(revision 3716)
+++ typo3/stylesheet.css	(working copy)
@@ -2386,6 +2386,9 @@
 	margin: 10px 0px 10px 0px;
 }
 
+span.warningboxheader {
+	margin-left: 5px;
+}
 
 /* - - - - - - - - - - - - - - - - - - - - -
 
Index: typo3/sysext/lang/locallang_core.xml
===================================================================
--- typo3/sysext/lang/locallang_core.xml	(revision 3716)
+++ typo3/sysext/lang/locallang_core.xml	(working copy)
@@ -195,6 +195,7 @@
 			<label index="warning.install_enabled_cmd">Click to remove the file now!</label>
 			<label index="warning.install_encryption">The encryption key is not set. Set it in the %sBasic Configuration section%s of the Install Tool.</label>
 			<label index="warning.install_update">This installation is not configured for the TYPO3 version it is running. If you did so intentionally, this message can be safely ignored. If you are unsure, visit the %sUpdate Wizard%s section of the Install Tool to see how TYPO3 would change.</label>
+			<label index="warning.header">Important Notice!</label>
 			<label index="warning.backend_reference">The Reference Index table is empty which is likely the result of a recent TYPO3 upgrade. Please go to %sTools&gt;DB Check%s and update the reference index.</label>
 		</languageKey>
 	</data>