Update docs/release_notes/2026_05_29.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Claire Rye <claire.rye@auckland.ac.nz>

Author: clairerye

docs/release_notes/2026_05_29.md

@@ -34,5 +34,5 @@ Note: *JupyterHub* is excluded as not used in AGDR.
 
 ## New and Improved
 
-- use opensearchproject/opensearch:2.19.5 to replace elasticsearch-oss:7.10.2 for better security and maintenance
-- update the microservices version to 2026.06 (except portal and metadata service)
+- Use opensearchproject/opensearch:2.19.5 to replace elasticsearch-oss:7.10.2 for better security and maintenance
+- Update the microservices version to 2026.06 (except portal and metadata service)