diff --git a/2026/05.md b/2026/05.md
index 84e511b0..c526bf79 100644
--- a/2026/05.md
+++ b/2026/05.md
@@ -107,6 +107,7 @@ When applicable, use these emoji as a prefix to the agenda item topic.
 
     | timebox | topic | presenter |
     |:-------:|-------|-----------|
+    | 30m | Tooling for navigating the ECMA-262 specification and reviewing API proposals | Alberto Tontoni, Mikhail Barash |
 
 1. Proposals
 
@@ -145,6 +146,7 @@ When applicable, use these emoji as a prefix to the agenda item topic.
 <!-- Constraints supplied more than three days before the meeting should go here -->
 
 - Guy Bedford: Available from 3pm only.
+- Mikhail Barash, Alberto Tontoni: we would like the topic on Tooling for Navigating the Spec to be scheduled at 14:00 CET on either 20th or 21st May, so that the JetBrains MPS team can attend.
 
 #### Late-breaking Schedule Constraints