diff --git a/workflows/makefile_ex b/workflows/makefile_ex
index 5032c3baf51bd547e8513796ba0a33c88a220d2a..27e34133284a4ddf55c19db33bb647fba67d63a2 100644
--- a/workflows/makefile_ex
+++ b/workflows/makefile_ex
@@ -6,4 +6,8 @@ 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
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+