diff --git a/NEWS b/NEWS
index 5166c071..26327e7a 100644
--- a/NEWS
+++ b/NEWS
@@ -31,6 +31,7 @@ v0.3.1 (xxxx-xx-xx)
     allocations/frees are displayed in a bright color and fade out with
     time. This feature also can look back in time.
   - Memory usage plot is automatically generated.
+  - Basic allocation information is displayed in memory plot tooltips.
   - A summary of memory events within a zone (and its children) is now
     printed in zone info window.
 - Support loading profile dumps with no memory allocation data (generated by