update changelog

CHANGELOG.md

@@ -8,14 +8,19 @@ All notable changes to this extension will be documented in this file.
 
 - Progress indicator when producing large batches of messages to Kafka topics to improve visibility
   of long-running operations.
-- Search functionality in the Resources view to filter items by label or description.
+- Search functionality (via `ctrl+f`/`cmd+f` or by clicking on the magnifying glass) when one of the
+  main views is in focus:
+  - Resources view: search by any label or description of visible environments, Kafka clusters, and
+    Schema Registries
+  - Topics view: search by topic name or schema subject (if applicable)
 
 ### Changed
 
 - Matching topics to schemas now based on the result of the `GET /subjects` route results. First
   step of migrating away from use of the `GET /schemas` schema registry route, not implemented by
   all schema registries.
-- Quickpick for schema registry subject names (i.e. when uploading a new schema) now based off of `GET /subjects` route results.
+- Quickpick for schema registry subject names (i.e. when uploading a new schema) now based off of
+  `GET /subjects` route results.
 
 ### Fixed