diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 6bf039e..c862d93 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -2350,7 +2350,7 @@
 	 *
 	 * Escapes identifiers in WHERE and HAVING statements at execution time.
 	 *
-	 * Required so that aliases are tracked properly, regardless of wether
+	 * Required so that aliases are tracked properly, regardless of whether
 	 * where(), or_where(), having(), or_having are called prior to from(),
 	 * join() and dbprefix is added only if needed.
 	 *