diff --git a/Advanced/Linear Algebra 101/parts/3 matrices.tex b/Advanced/Linear Algebra 101/parts/3 matrices.tex
index 1431de7..ef85d6b 100644
--- a/Advanced/Linear Algebra 101/parts/3 matrices.tex	
+++ b/Advanced/Linear Algebra 101/parts/3 matrices.tex	
@@ -110,7 +110,7 @@ AB =
 =
 \begin{bmatrix}
 	r_1v_1 & r_1v_2 \\
-	r_2v_1 & r_2vm_2 \\
+	r_2v_1 & r_2v_2 \\
 \end{bmatrix}
 $$