diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index a6107f16..f4f1468d 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -5,3 +5,4 @@
 * Add FML test Simple Form: Identity transform
 * Add start of terminology test history
 * Add test cases for JSON parsing error handling
+* Add test case for slicing by type with multiple types