diff --git a/docs/team/bigheartsmallbrain.md b/docs/team/bigheartsmallbrain.md
index 2de4703167e..dc7022d59c5 100644
--- a/docs/team/bigheartsmallbrain.md
+++ b/docs/team/bigheartsmallbrain.md
@@ -6,36 +6,67 @@ title: Zhang Yuquan's Project Portfolio Page
 ### Project: Ez-Schedule
 
 EZ-Schedule is a desktop application used for managing and scheduling of events. The user interacts with it using a
-Command Line Interface (CLI), and it has a Graphical User Interface (GUI) created with JavaFX. It is written in Java,
-and has about ***to be added soon*** kLoC.
-
+Command Line Interface (CLI), and it has a Graphical User Interface (GUI) created and built with JavaFX. It is 
+written in mainly Java and supported with relevant files and documents. This application has approximately 
+about 10k Loc.
 Given below are my contributions to the project.
 
-* **Code contributed**: [To be added soon](https://github.com/AY2223S2-CS2103-W17-3/tp)
 
+### Summary of contributions
+* **Code contributed**: Check it out
+[here](https://nus-cs2103-ay2223s2.github.io/tp-dashboard/?search=bigheartsmallbrain&breakdown=true)
+
+
+* **New features**:
+  * Undo most recent commands ( only applicable to `Add`, `Edit`, `Delete`, `Recur`)
+    * Description: 
+      
+      The `Undo` command will undo the most recent and previous valid command. Restoring the 
+        scheduler's previous state.
+    * Reason: 
 
-* **Project management**:
-  * To be added soon
+      In the case of a user story when the user has accidentally performed a command, and the user wishes to revert 
+      his/her action. Hence, undo previous command is applicable for users to save trouble or re-entering details of 
+      event.
 
 
 * **Enhancements to existing features**:
-  * To be added soon
+  * Bug Fix:
+    * [#184 Fix bugs for undo feature for invalid commands](https://github.com/AY2223S2-CS2103-W17-3/tp/pull/184)
+    * [#220 Fix delete command for bugs related to undo command](https://github.com/AY2223S2-CS2103-W17-3/tp/pull/220)
+  * Testcase Code:
+    * [#219 Add test cases for undocommand feature. Fixed minor bugs in code and corresponding helper classes and 
+      functions.](https://github.com/AY2223S2-CS2103-W17-3/tp/pull/219)
 
 
 * **Documentation**:
   * User Guide:
-    * Crafted the draft user
-      guide [markdown file](https://github.com/AY2223S2-CS2103-W17-3/tp/pull/27/commits/5b329d62e2dbc73966ab2a4e59998c8d0657c246)
+      * Update UG for `undo` feature [#107](https://github.com/AY2223S2-CS2103-W17-3/tp/pull/107/files)
+      * Contributed to the idealisation of UG Overview (Such as evolve features, command summary)
+    
+
   * Developer Guide:
-    * To be added soon
+    * Undo Command implementation
+
+  * Others:
+    * Update AboutUS [#39](https://github.com/AY2223S2-CS2103-W17-3/tp/pull/39)
+    * Update Ui mockup [#37] (https://github.com/AY2223S2-CS2103-W17-3/tp/pull/37)
 
 
-* **Community**:
-  * PRs reviewed (with non-trivial review comments): To be added soon
-  * Contributed to forum discussions: To be added soon
-  * Reported bugs and suggestions for other teams in the class: To be added soon
-  * Some parts of the history feature I added was adopted by several other class mates: To be added soon
+* **PRs reviewed**:
+  * Milestone none: [2] [pr-reviewed-no-milestone]
+  * Milestone v1.1: [1] [pr-reviewed-v1.1]
+  * Milestone v1.2: [1 [pr-reviewed-v1.2]
+  * Milestone v1.3: [2] [pr-reviewed-v1.3]
+  * Milestone v1.3b: [3] [pr-reviewed-v1.3b]
+  * Milestone v1.4: [2] [pr-reviewed-v1.4]
+  * Total: [11] [pr-reviewed-total]
 
 
-* **Tools**:
-  * To be added soon
+[pr-reviewed-no-milestone]: https://github.com/AY2223S2-CS2103-W17-3/tp/pulls?q=is%3Apr+is%3Aclosed+reviewed-by%3A%40me+no%3Amilestone
+[pr-reviewed-v1.1]: https://github.com/AY2223S2-CS2103-W17-3/tp/pull/30
+[pr-reviewed-v1.2]: https://github.com/AY2223S2-CS2103-W17-3/tp/pull/49
+[pr-reviewed-v1.3]: https://github.com/AY2223S2-CS2103-W17-3/tp/pulls?q=is%3Apr+is%3Aclosed+reviewed-by%3A%40me
+[pr-reviewed-v1.3b]: https://github.com/AY2223S2-CS2103-W17-3/tp/pulls?q=is%3Apr+is%3Aclosed+reviewed-by%3A%40me
+[pr-reviewed-v1.4]: https://github.com/AY2223S2-CS2103-W17-3/tp/pulls?q=is%3Apr+is%3Aclosed+reviewed-by%3A%40me+milestone%3Av1.4
+[pr-reviewed-total]: https://github.com/AY2223S2-CS2103-W17-3/tp/pulls?q=is%3Apr+is%3Aclosed+reviewed-by%3A%40me