diff --git a/.vscode/settings.json b/.vscode/settings.json
index 22e610b..db926ca 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,8 +1,10 @@
 {
     "cmake.sourceDirectory": "/home/jbnadal/sources/jb/raytracing_challenge",
     "cSpell.words": [
+        "cofactor",
         "NADAL",
-        "Raytracer"
+        "Raytracer",
+        "submatrix"
     ],
     "files.associations": {
         "cctype": "cpp",