diff --git a/docs/diagrams/CreateCommandLogic.puml b/docs/diagrams/CreateCommandLogic.puml
index efc1d129cb0..a8f8f63fb0e 100644
--- a/docs/diagrams/CreateCommandLogic.puml
+++ b/docs/diagrams/CreateCommandLogic.puml
@@ -60,4 +60,4 @@ deactivate CreateCommand
 
 [<--LogicManager : r
 deactivate LogicManager
-@enduml
\ No newline at end of file
+@enduml
diff --git a/docs/diagrams/DeleteModelDiagram.puml b/docs/diagrams/DeleteModelDiagram.puml
index a872f3a1693..487a1072cbc 100644
--- a/docs/diagrams/DeleteModelDiagram.puml
+++ b/docs/diagrams/DeleteModelDiagram.puml
@@ -73,4 +73,4 @@ deactivate ModelManager
 [<--Logic
 deactivate Logic
 
-@enduml
\ No newline at end of file
+@enduml
diff --git a/src/main/java/seedu/address/model/person/UniquePersonList.java b/src/main/java/seedu/address/model/person/UniquePersonList.java
index 4a2ddbea213..d0045f24964 100644
--- a/src/main/java/seedu/address/model/person/UniquePersonList.java
+++ b/src/main/java/seedu/address/model/person/UniquePersonList.java
@@ -157,3 +157,4 @@ private boolean personsAreUnique(List<Person> persons) {
         return true;
     }
 }
+