diff --git a/.hash b/.hash
index 8f69d94..38ca5e3 100644
--- a/.hash
+++ b/.hash
@@ -1,7 +1,7 @@
-ainotes.cls,dafa14c
+ainotes.cls,e5659dd
 fundamentals-of-ai-and-kr/module1,a2e8cd8
-fundamentals-of-ai-and-kr/module2,ebf66ac
+fundamentals-of-ai-and-kr/module2,e5659dd
 fundamentals-of-ai-and-kr/module3,0d20851
-languages-and-algorithms-for-ai/module2,a629de4
+languages-and-algorithms-for-ai/module2,e5659dd
 machine-learning-and-data-mining,dafa14c
 statistical-and-mathematical-methods-for-ai,b8b751d
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diff --git a/statistical-and-mathematical-methods-for-ai/main.pdf b/statistical-and-mathematical-methods-for-ai/main.pdf
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