diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md index d729e13d2..52d08e9ef 100644 --- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md +++ b/01.curriculum/01.physics-chemistry-biology/02.Niv2/04.optics/04.use-of-basic-optical-elements/01.plane-refracting-surface/02.plane-refracting-surface-overview/cheatsheet.en.md @@ -89,7 +89,7 @@ Ray tracing study of a **spherical refracting surface** : ![](dioptre-spherique-non-stigmatique-1.png)
-* **If we limit the opening** of the spherical refracting surface so that only the rays +* **If we limit the aperture** of the spherical refracting surface so that only the rays meeting the surface near the vertex are refracted through the surface. ![](dioptre-spherique-non-stigmatique-2.png)