diff --git a/theme/boost/lang/en/theme_boost.php b/theme/boost/lang/en/theme_boost.php
index 3bae9c034e6..33c4f5f3fd8 100644
--- a/theme/boost/lang/en/theme_boost.php
+++ b/theme/boost/lang/en/theme_boost.php
@@ -37,7 +37,7 @@ $string['presetfiles_desc'] = 'Preset files can be used to dramatically alter th
 $string['preset'] = 'Theme preset';
 $string['preset_desc'] = 'Pick a preset to broadly change the look of the theme.';
 $string['rawscss'] = 'Raw SCSS';
-$string['rawscss_desc'] = 'Use this field to provide SCSS code which will be injected at the end of the style sheet.';
+$string['rawscss_desc'] = 'Use this field to provide SCSS or CSS code which will be injected at the end of the style sheet.';
 $string['rawscsspre'] = 'Raw initial SCSS';
 $string['rawscsspre_desc'] = 'In this field you can provide initialising SCSS code, it will be injected before everything else. Most of the time you will use this setting to define variables.';
 $string['region-side-pre'] = 'Right';