diff --git a/README.md b/README.md
index 7987ced..e215f6a 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,7 @@ Important VS Code notes:
 * [Save and load](numpy/load_save/README.md)
 * [Reshape and flatten](numpy/reshape/README.md)
 * [Slices and Views](numpy/slices_views/README.md)
+* [Concatenate Matrices and arrays](numpy/concatenate/README.md)
 * [Where](numpy/where/README.md)
 * [Extending an existing matrix: tile, repeat, pad](numpy/extending/README.md)
 * [Boolean matricies and logic functions](numpy/bool_matrix/README.md)