diff --git a/system/core/Security.php b/system/core/Security.php
index a290700..3a5da4f 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -230,7 +230,7 @@
 			$this->csrf_show_error();
 		}
 
-		// We kill this since we're done and we don't want to polute the _POST array
+		// We kill this since we're done and we don't want to pollute the _POST array
 		unset($_POST[$this->_csrf_token_name]);
 
 		// Regenerate on every submission?