diff --git a/session_2/session_2.Rmd b/session_2/session_2.Rmd
index 206332e6cd42f3b73b2055a940d5ec6afca0457f..1f5b61558612844d44f0df0a9f3b275c0d600cd1 100644
--- a/session_2/session_2.Rmd
+++ b/session_2/session_2.Rmd
@@ -510,7 +510,7 @@ ggplot(data = mpg, mapping = aes(x = displ, y = hwy, color = drv)) +
 </p>
 </details>
 
-## See you in [R.3: Transformations with ggplot2](https://can.gitbiopages.ens-lyon.fr/R_basis/session_3/)
+## See you in [R.3: Transformations with ggplot2](https://can.gitbiopages.ens-lyon.fr/R_basis/session_3.html)
 
 # To go further: publication ready plots