diff --git a/.hash b/.hash
index 064ec74..f485350 100644
--- a/.hash
+++ b/.hash
@@ -1,5 +1,5 @@
 ainotes.cls,deb1622
-fundamentals-of-ai-and-kr/module1,02f75ae
+fundamentals-of-ai-and-kr/module1,e7fdd58
 fundamentals-of-ai-and-kr/module2,0dff0b4
 fundamentals-of-ai-and-kr/module3,6fc1a0f
 languages-and-algorithms-for-ai/module2,5042f21
diff --git a/fundamentals-of-ai-and-kr/module1/main.pdf b/fundamentals-of-ai-and-kr/module1/main.pdf
index fd89164..224f786 100644
Binary files a/fundamentals-of-ai-and-kr/module1/main.pdf and b/fundamentals-of-ai-and-kr/module1/main.pdf differ