diff --git a/module2/exo1/toy_document_en.Rmd b/module2/exo1/toy_document_en.Rmd
index 9e937cfb9b9e38137b9c06f85511abbb6d015ea5..72b2b96a0a239a912de2e28cc6aedd33c31804ac 100644
--- a/module2/exo1/toy_document_en.Rmd
+++ b/module2/exo1/toy_document_en.Rmd
@@ -10,7 +10,6 @@ knitr::opts_chunk$set(echo = TRUE)
 ```
 
 ## Asking the maths library
-
 My computer tells me that $\pi$ is *approximatively*
 
 ```{r}
@@ -40,8 +39,8 @@ df = data.frame(X = runif(N), Y = runif(N))
 df$Accept = (df$X**2 + df$Y**2 <=1)
 library(ggplot2)
 ggplot(df, aes(x=X,y=Y,color=Accept)) + geom_point(alpha=.2) + coord_fixed() + theme_bw()
-
 ```
+
 It is then straightforward to obtain a (not really good) approximation to $\pi$ by counting how many times, on average, $X^2 + Y^2$ is smaller than 1:
 
 ```{r}