diff --git a/.hash b/.hash
index 2f84266..cc0dc2f 100644
--- a/.hash
+++ b/.hash
@@ -1,7 +1,7 @@
 ainotes.cls,4b2f613
 fundamentals-of-ai-and-kr/module1,1677e27
 fundamentals-of-ai-and-kr/module2,9622aab
-fundamentals-of-ai-and-kr/module3,1677e27
+fundamentals-of-ai-and-kr/module3,dc5da34
 languages-and-algorithms-for-ai/module2,6a33527
 machine-learning-and-data-mining,1677e27
 statistical-and-mathematical-methods-for-ai,1677e27
diff --git a/fundamentals-of-ai-and-kr/module3/faikr3.pdf b/fundamentals-of-ai-and-kr/module3/faikr3.pdf
index 8b67bb6..e7ee0e6 100644
Binary files a/fundamentals-of-ai-and-kr/module3/faikr3.pdf and b/fundamentals-of-ai-and-kr/module3/faikr3.pdf differ