improve description for ArrayStack introduction
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 8e8d0d8..2ef577a 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -8,7 +8,8 @@
<body>
<release version="1.5" date="in Mercurial" description="development: improve performance">
<action dev="py4fun" type="add">
- Introduce ArrayStack to use push() and pop() instead of standard 'remove(size()-1)' (2009-08-27)
+ Introduce ArrayStack to use push() and pop() instead of standard (and too verbose)
+ 'remove(size()-1)' (2009-08-27)
</action>
<action dev="py4fun" type="fix" issue="14" due-to="infinity0x">
Fix: ArrayList is more efficient than LinkedList (2009-08-26)
