README: Fix command reference file link

Turns out the parser requires the link to not have spaces in it. Replace
these with their URL encoded variants.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 376a71a..88b7140 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ an application to rate ice creams.
 [002 Ice Cream](./002-Ice-cream.md)  
 [003 Authentification](./003-Authentification.md)  
 [004 Création](./004-Création.md)  
-[Référence de Commandes](./Référence de Commandes.md)
+[Référence de Commandes](./Référence%20de%20Commandes.md)
 
 
 ---