correct markdown

Patient-Registry/release-note.md

@@ -11,6 +11,7 @@ reference: KER1-RNO-IHE-PATIENT_MANAGER
 
 # PIXm Connector 3.0.1
 _Release date: 2024-08-07_
+
 __Bug__
 * \[[PATREG-225](https://gazelle.ihe.net/jira/browse/PATREG-225)\] [Pixm Connector] hard coded mandatory targetSystem
 
@@ -20,6 +21,7 @@ __Improvement__
 
 # Patient Registry 2.2.1
 _Release date: 2024-06-27_
+
 __Epic__
 * \[[PATREG-224](https://gazelle.ihe.net/jira/browse/PATREG-224)\] Implement Search with params