diff --git a/workflows/makefile_ex b/workflows/makefile_ex
index b3dcc30c097e8ccb5adc6c526e758442dfd10250..1c7db1dbccf68923aab5f230c5612bf599508df0 100644
--- a/workflows/makefile_ex
+++ b/workflows/makefile_ex
@@ -5,6 +5,6 @@ run_tp2: results/data/penncath.bim results/data/penncath.bed results/data/pennca
 
 # Générer les fichiers penncath.bim, penncath.bed et penncath.fam en exécutant download_data.R
 results/data/penncath.bim results/data/penncath.bed results/data/penncath.fam:
-	Rscript sources/download_data.R  # Ceci aussi doit commencer par une tabulation
-	  
+	Rscript sources/download_data.R  
+