diff --git a/.hash b/.hash
index 34d379c..bdd9b53 100644
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@@ -4,4 +4,4 @@ fundamentals-of-ai-and-kr/module2,b60d21d
 fundamentals-of-ai-and-kr/module3,0d20851
 languages-and-algorithms-for-ai/module2,e5659dd
 machine-learning-and-data-mining,dafa14c
-statistical-and-mathematical-methods-for-ai,b8b751d
+statistical-and-mathematical-methods-for-ai,e767b3b
diff --git a/statistical-and-mathematical-methods-for-ai/main.pdf b/statistical-and-mathematical-methods-for-ai/main.pdf
index 82bbc33..3a61c91 100644
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