diff --git a/.vscode/settings.json b/.vscode/settings.json
index db926ca..50d3a6d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,6 +2,7 @@
     "cmake.sourceDirectory": "/home/jbnadal/sources/jb/raytracing_challenge",
     "cSpell.words": [
         "cofactor",
+        "invertibility",
         "NADAL",
         "Raytracer",
         "submatrix"