diff --git a/dossier de projet/main.md b/dossier de projet/main.md
index 20f2b14..983ecf1 100644
--- a/dossier de projet/main.md	
+++ b/dossier de projet/main.md	
@@ -1,10 +1,4 @@
 ---
-author: Julia Spriggs
-date: 15 Octobre 2024
-institution: Wild Code School
-subtitle: Oros
-title: Dossier de projet
-
 header-includes:
 - \usepackage{geometry}
 - \geometry{a4paper,portrait,top=20mm,bottom=20mm,left=20mm,right=20mm}
@@ -12,6 +6,14 @@ header-includes:
 lang: fr
 ---
 
+<!-- define variables -->
+\def\authorshort{SPRIGGS}
+\def\authorlong{Julia \authorshort}
+\def\dateshort{2024}
+\def\datelong{Lundi 04 Novembre \dateshort}
+\def\titleshort{Oros}
+\def\titlelong{\titleshort : location de matériel de montagne}
+
 <!-- set counters -->
 \setcounter{secnumdepth}{3}
 \setcounter{tocdepth}{3}