diff --git a/docs/DeveloperGuide.md b/docs/DeveloperGuide.md
index 767756b505..2ebd98721e 100644
--- a/docs/DeveloperGuide.md
+++ b/docs/DeveloperGuide.md
@@ -5,6 +5,16 @@ documentation with regards to the design and implementation of the App. In addit
 we added other related information like the product scope, user stories, non-functional
 requirements, glossary and instructions for testing
 
+## Acknowledgements
+
+Referred to [addressbook-level3](https://se-education.org/addressbook-level3/DeveloperGuide.html) when drafting this
+Developer Guide.
+
+This project has been heavily modified from [Spaceman Task Manager](https://github.com/spaceman03/ip/).
+
+Thanks to Dr Akshay Narayan (module coordinator) and Irving (TA) for their guidance 
+throughout the course of this project.
+
 ## Design
 
 ### Architecture
diff --git a/docs/diagrams/ListTransactionSequenceDiagram.puml b/docs/diagrams/ListTransactionSequenceDiagram.puml
index dc4c33d688..b216249f27 100644
--- a/docs/diagrams/ListTransactionSequenceDiagram.puml
+++ b/docs/diagrams/ListTransactionSequenceDiagram.puml
@@ -8,6 +8,7 @@ Participant ":Nuscents" as nuscents MAIN_COLOR
 Participant ":Parser" as parser PARSER_COLOR
 Participant ":ListCommand" as ListCommand COMMAND_COLOR
 Participant ":TransactionList" as TransactionList UI_COLOR
+Participant ":UI" as UI
 
 user -[USER_COLOR]> nuscents
 activate nuscents MAIN_COLOR
@@ -29,15 +30,35 @@ deactivate parser
 nuscents -> ListCommand : execute()
 activate ListCommand
 
-ListCommand -> TransactionList : getTransactions()
+ListCommand -> UI : showTransactionList()
+activate UI
+
+UI -> TransactionList : getTransactions()
 activate TransactionList
 
-TransactionList --> ListCommand
+TransactionList --> UI
 deactivate TransactionList
 
+UI --> ListCommand
+deactivate UI
+
+ListCommand -> UI : showBudgetExpense()
+activate UI
+
+UI -> TransactionList : getBudget()
+activate TransactionList
+
+TransactionList --> UI
+deactivate TransactionList
+
+UI --> ListCommand
+deactivate UI
+
+
 ListCommand --> nuscents
 deactivate ListCommand
 
 nuscents --> user
 deactivate nuscents
+destroy ListCommand
 @enduml
\ No newline at end of file
diff --git a/docs/diagrams/ViewSequenceDiagram.puml b/docs/diagrams/ViewSequenceDiagram.puml
index 0197b14e01..d042ccd19c 100644
--- a/docs/diagrams/ViewSequenceDiagram.puml
+++ b/docs/diagrams/ViewSequenceDiagram.puml
@@ -47,4 +47,5 @@ deactivate ViewCommand
 
 nuscents --> user
 deactivate nuscents
+destroy ViewCommand
 @enduml
\ No newline at end of file