Tweak the NEWS

Signed-off-by: Gavin Howard <gavin@yzena.com>
diff --git a/NEWS.md b/NEWS.md
index 0000dfc..36952fd 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -6,7 +6,8 @@
 
 The bug was that if an array element was used as a parameter, and then a later
 parameter had the same name as the array whose element was used, `bc` would grab
-the element from the array parameter, not the actual element.
+the element from the new array parameter, not the actual element from before the
+function call.
 
 ## 6.2.1