diff --git a/cours.md b/cours.md
index bb07289e215c8ff156f726c4f262a55919b59854..bc2b21d8b6f2b351494a6d897acfe4ec841876bf 100644
--- a/cours.md
+++ b/cours.md
@@ -15,6 +15,7 @@ lang: fr
 documentclass: book
 papersize: A4
 cref: false
+urlcolor: blue
 ---
 
 Rappel