diff --git a/.hash b/.hash
index 7f91795..1af4928 100644
--- a/.hash
+++ b/.hash
@@ -1,5 +1,5 @@
 ainotes.cls,79b3324
-year1/cognition-and-neuroscience/module1,79b3324
+year1/cognition-and-neuroscience/module1,00acf97
 year1/cognition-and-neuroscience/module2,79b3324
 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 6a054fa..53641eb 100644
Binary files a/year1/cognition-and-neuroscience/module1/cn1.pdf and b/year1/cognition-and-neuroscience/module1/cn1.pdf differ