diff --git a/out/reviews/R8d.pdf b/out/reviews/R8d.pdf
index 1998985..946cfe5 100644
--- a/out/reviews/R8d.pdf
+++ b/out/reviews/R8d.pdf
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0869be19d576b402c3e082abc37700c6e1ab64a859119cf5129b5ee843b691f8
-size 37135
+oid sha256:851772549d68d370baee2dfdb95918906839115b62532cb028c9b6799253b55b
+size 36008
diff --git a/reviews/R8d.md b/reviews/R8d.md
index d40b986..67ba838 100644
--- a/reviews/R8d.md
+++ b/reviews/R8d.md
@@ -20,7 +20,7 @@ $pqr$
 
 ## Problem 3
 
-Count the number of scalar multiplications where the dimensions of $A_1$, $A_2$, and $A_3$$ are $10\times 100$, $100\times 5$ and $5\times 50$, respectively.
+Count the number of scalar multiplications where the dimensions of $A_1$, $A_2$, and $A_3$ are $10\times 100$, $100\times 5$ and $5\times 50$, respectively.
 
 1. $(A_1A_2)A_3$
 2. $A_1(A_2A_3)$