diff --git a/.hash b/.hash
index 3848b8d..f4fcbd4 100644
--- a/.hash
+++ b/.hash
@@ -1,5 +1,5 @@
 ainotes.cls,4b2f613
-fundamentals-of-ai-and-kr/module1,4b2f613
+fundamentals-of-ai-and-kr/module1,9e25277
 fundamentals-of-ai-and-kr/module2,4b2f613
 fundamentals-of-ai-and-kr/module3,4b2f613
 languages-and-algorithms-for-ai/module2,4b2f613
diff --git a/fundamentals-of-ai-and-kr/module1/main.pdf b/fundamentals-of-ai-and-kr/module1/main.pdf
index 0170c4a..f70ed5f 100644
Binary files a/fundamentals-of-ai-and-kr/module1/main.pdf and b/fundamentals-of-ai-and-kr/module1/main.pdf differ