Update README.md

Author: interactivereport

README.md

@@ -88,12 +88,13 @@ install.packages("arrow")
 > library(ggrastr)
 ```
 ### Packages needed for CLI.
+#### follow https://irkernel.github.io/installation/ to install IRkernel and make it avilable to Jupyter system-wide.
 ```
-# follow https://irkernel.github.io/installation/ to install IRkernel and make it avilable to Jupyter system-wide.
 $ R
-> install.packages('IRkernel')
-> IRkernel::installspec(user = FALSE)
-
+>install.packages('IRkernel')
+>IRkernel::installspec(user = FALSE)
+```
+```
 $ conda install ipykernel
 $ pip install rpy2  # If you want to use globally installed R and packages
 or