diff --git a/module2/exo2/exercice_fr.Rmd b/module2/exo2/exercice_fr.Rmd
index 16a2dc89110180fb35596bb5154b472983e2598f..1d81840192c00b8107ba1f54ba9f27331892e83d 100644
--- a/module2/exo2/exercice_fr.Rmd
+++ b/module2/exo2/exercice_fr.Rmd
@@ -23,6 +23,6 @@ mean(dataMooc)
 min(dataMooc)
 max(dataMooc)
 median(dataMooc)
-std(dataMooc)
+sd(dataMooc)
 ```