diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index c895d57..5177a7e 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -51,6 +51,9 @@
 	 *
 	 * this/that/theother
 	 *
+	 * @todo	Remove in version 3.1+.
+	 * @deprecated	3.0.0	This is just an alias for PHP's native trim()
+	 *
 	 * @param	string
 	 * @return	string
 	 */