diff --git a/README.md b/README.md
index 474be0e..2e500c3 100644
--- a/README.md
+++ b/README.md
@@ -88,9 +88,9 @@ How it works :
 
 ![animation of raytracing with increasing number of rays](assets/raycast_7.gif)
 
-example of raycasting with errors in action while construction of the project :
+8. example of raycasting in action, with errors, during the construction phase of the raycasting algorithm :
 
-![example of raycasting during the construction of the project](assets/cube3d_raycasting.gif)
+![real raycasting during the construction  phase of the project](assets/cube3d_raycasting.gif)