diff --git a/.hash b/.hash
index e7b2c9f..1545401 100644
--- a/.hash
+++ b/.hash
@@ -1,5 +1,5 @@
 ainotes.cls,dc59cd4
-fundamentals-of-ai-and-kr/module1,27778b1
+fundamentals-of-ai-and-kr/module1,822b946
 fundamentals-of-ai-and-kr/module2,42cd9bd
 fundamentals-of-ai-and-kr/module3,0d20851
 languages-and-algorithms-for-ai/module2,a062cb0
diff --git a/fundamentals-of-ai-and-kr/module1/main.pdf b/fundamentals-of-ai-and-kr/module1/main.pdf
index 1fe1fb9..b8d3847 100644
Binary files a/fundamentals-of-ai-and-kr/module1/main.pdf and b/fundamentals-of-ai-and-kr/module1/main.pdf differ