diff --git a/subjects/matrix_transposition/README.md b/subjects/matrix_transposition/README.md
index 2357a77e..b538a7d1 100644
--- a/subjects/matrix_transposition/README.md
+++ b/subjects/matrix_transposition/README.md
@@ -46,6 +46,7 @@ Here is a posible program to test your function
 
 ```rust
 use matrix_transposition::transpose;
+use matrix_transposition::Matrix;
 
 fn main() {
     let matrix = Matrix((1, 3), (4, 5));