diff --git a/NEWS b/NEWS
index 28688fd3..0fec14d9 100644
--- a/NEWS
+++ b/NEWS
@@ -31,7 +31,7 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
   will still work--the new format, however, lets modules access the
   configuration object for HTML namespace dependant tweaks.
 . AttrDef_HTML_Pixels now takes a single construction parameter, pixels.
-. ConfigSchema data-structure heavily optimized; on average it uses half
+. ConfigSchema data-structure heavily optimized; on average it uses a third
   the memory it did previously. The interface has changed accordingly,
   consult changes to HTMLPurifier_Config for details.
 . Variable parsing types now are magic integers instead of strings