Update README.md

Author: sinanshi

README.md

@@ -1,14 +1,16 @@
 # LPJmL_RUtil
 ## How to install R package
-``bash
+```bash
 git clone https://github.com/sinanshi/LPJmL_RUtil
 sudo R CMD install LPJmL_RUtil
-``
+```
 
 ## How to call LPJmL_RUtil
-``R
+```R
 library(lpjrutil)
-``
+```
 ## Notes
 * from comments (Rd) to pdf:
- ```R CMD Rd2pdf LPJmL_RUtil```
+ ```
+R CMD Rd2pdf LPJmL_RUtil
+```