diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..a15996c
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diff --git a/doc/README.md b/doc/README.md
index 8af74f4..12d39a7 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -3,7 +3,6 @@
 src/
 ├─ Main.java
 ├─ controller/
-│   ├─ AssignController.java
 │   └─ FunctionController.java
 ├─ model/
 │   ├─ Login.java
@@ -13,6 +12,7 @@ src/
 │   ├─ LoadFile.java
 │   ├─ Save.java
 │   ├─ Create.java
+│   ├─ ExpressionEvaluator.java
 │   └─ Paper.java
 └─ view/
     ├─ LoginFrame.java
@@ -21,6 +21,9 @@ src/
     ├─ ExamSetupFrame.java
     ├─ ExamFrame.java
     └─ ResultFrame.java
+lib/
+├─ Main.java
+└─ view/
 
 ---
 
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