diff --git a/.hash b/.hash
index 339a3fa..bb3c9f4 100644
--- a/.hash
+++ b/.hash
@@ -1,5 +1,5 @@
 ainotes.cls,5927cc8
-year1/cognition-and-neuroscience/module1,03ddd0e
+year1/cognition-and-neuroscience/module1,0a378ad
 year1/cognition-and-neuroscience/module2,5927cc8
 year1/combinatorial-decision-making-and-optimization/module1,9d6b6aa
 year1/combinatorial-decision-making-and-optimization/module2,9d6b6aa
diff --git a/year1/cognition-and-neuroscience/module1/cn1.pdf b/year1/cognition-and-neuroscience/module1/cn1.pdf
index 9f1de00..47843fd 100644
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