diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md
index 47f091da3..fa35ff8e0 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/instructions-for-levels/30.beyond/annex.fr.md
@@ -187,10 +187,10 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées
 !* The first spherical refracting surface 
 ! $`DS1`$ encountered by the light has
 ! the follwing characteristics :<br>
-! $`\overline{S_1C_1}=+|R|=+5\;cm`$ , 
-! $`n_{ini}=1`$ and $`n_{fin}=1.5`$<br>
+! $`\overline{S_1C_1}=+|R|=+5\;cm`$, 
+! $`n_{ini}=1`$ and $`n_{fin}=1.5`$.
 ! <br>
-! * The second spherical refracting surface 
+! *The second spherical refracting surface 
 ! $DS2$ encountered by the light has the follwing characteristics :<br>
 ! $`\overline{S_2C_2}=-|R|=-5\;cm`$ , 
 ! $`n_{ini}=1.5`$ and $`n_{fin}=1`$
@@ -460,7 +460,7 @@ Sont proposées les catégories suivantes, mais à débattre, toutes les idées
 !<summary>
 ! What is the apparent magnification of the cathedral ?
 !</summary>
-! * apparent magnification = angular magnification = magnifying power.
+! * Apparent magnification = angular magnification = magnifying power.
 !
 ! * As calculated previously, standing 400 metres from the cathedral, the 90 m heigh
 ! cathedral sustends the apparent angles of $`\alpha=arctan\left(\dfrac{90}{400}\right)=0.221\;rad=12.7°`$