diff --git a/script/gen_mermaid.py b/script/gen_mermaid.py
index f23cd38..eac23a4 100755
--- a/script/gen_mermaid.py
+++ b/script/gen_mermaid.py
@@ -157,7 +157,7 @@ class Answer:
 class Question:
     questionId: str
     question: str
-    simplifiedQuestion: str
+    explanation: str
     category: str
     subcategory: str
     answers: list[Answer]