diff --git a/README.md b/README.md
index 2088e1c..de5bdf3 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Development packages for Ubuntu Linux Ubuntu 16.04 LTS:
 ```
 sudo apt-get update
 sudo apt-get install build-essential
-sudo apt-get install gcc-5-multilib
+sudo apt-get install gcc-multilib
 sudo apt-get install lua5.2 lua-bitop
 sudo apt-get install gcc-arm-linux-gnueabihf
 sudo apt-get install qemu-user
@@ -23,7 +23,7 @@ make
 ##Running
 ###The Interpreter
 ```
-./interpreter progs/hello.bf
+./interpreter progs/hello.b
 ```
 
 ###The Compiler