Update README.md

README.md

@@ -23,7 +23,7 @@ Now you can install our package from Gitlab using the following command in R :
     
 Installation on **Windows** and **MacOs** might be more difficult.
 
-If you are on **windows**, you'll need to install R, python 2.7 (make sure to tick the "add python to path" option when you install it) and [Rtools](https://cran.r-project.org/bin/windows/Rtools/rtools40.html) (the link is for R4.0 and up, for prior R version go to this [link](https://cran.r-project.org/bin/windows/Rtools/history.html)).
+If you are on **windows**, you'll need to install R, python 2.7 (make sure to tick the **"add python to path"** option when you install it) and [Rtools](https://cran.r-project.org/bin/windows/Rtools/rtools40.html) (the link is for R4.0 and up, for prior R version go to this [link](https://cran.r-project.org/bin/windows/Rtools/history.html)).
 Then open Rstudio and enter the following commands : 
     
     install.packages("devtools")