diff --git a/framework/i18n/I18N.php b/framework/i18n/I18N.php
index 01c7f364ab..2b1130ff1e 100644
--- a/framework/i18n/I18N.php
+++ b/framework/i18n/I18N.php
@@ -32,7 +32,7 @@ class I18N extends Component
      * for creating the [[MessageSource]] objects.
      *
      * The message category patterns can contain the wildcard '*' at the end to match multiple categories with the same prefix.
-     * For example, 'app\*' matches both 'app\cat1' and 'app\cat2'.
+     * For example, 'app/*' matches both 'app/cat1' and 'app/cat2'.
      *
      * The '*' category pattern will match all categories that do not match any other category patterns.
      *