Update README.md

Author: jaehyukchoi

README.md

@@ -1,9 +1,13 @@
-# BlackScholes-R
-Black-Scholes and Bachelier option price and implied volatility functions in R
+# FE-R
+Financial Engineering functions in R
+
+## Contents
+* Black-Scholes option pricing model: price and implied volatility
+* Bachelier option pricing model: price and implied volatility
 
 ## Installation
 Install `devtools` package in run
 ```R
 library(devtools)
-install_github("PyFE/BlackScholes-R", subdir="pakage")
+install_github("PyFE/FE-R", subdir="pakage")
 ```