Update README.md

Author: ricardojoserf

README.md

@@ -1,6 +1,6 @@
 # vulnserver
 
-## Installation
+## Installing Vulnserver and Spike
 
 - Download Vulnserver from https://github.com/stephenbradshaw/vulnserver
 
@@ -26,5 +26,8 @@ C:\> peach.exe vulnserver.xml TestKSTET
 ```
 
 
+## References
 
+http://www.rockfishsec.com/2014/01/fuzzing-vulnserver-with-peach-3.html
 
+https://sh3llc0d3r.com/fuzzing-vulnserver-with-peach/