diff --git a/documents/by-course/pstat-120a/course-notes/main.typ b/documents/by-course/pstat-120a/course-notes/main.typ
index 1d23fe7..7d35b13 100644
--- a/documents/by-course/pstat-120a/course-notes/main.typ
+++ b/documents/by-course/pstat-120a/course-notes/main.typ
@@ -40,7 +40,8 @@ upon them.
   + $A = {a,b,c}$
 ]
 
-We can construct sets using set-builder notation (also sometimes called set comprehension).
+We can construct sets using set-builder notation (also sometimes called set
+comprehension).
 
 $ {"expression with" x | "conditions on" x} $
 
diff --git a/documents/math-8.pdf b/documents/math-8.pdf
new file mode 100644
index 0000000..0c2b50e
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