diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index fbe08618715e7..e0baeab3b1b41 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -94,6 +94,7 @@ JDBC:
 
 .NET thin client:
 * Added AtomicLong.
+* Added IgniteSet.
 
 .NET:
 * Added service interceptors.