Typo

README.md

@@ -108,7 +108,7 @@ The process here is almost identical to what we just did, except you need to go
 website that looks like it was designed for Netscape Navigator. Run these commands to start the build process for gcc:
 ```bash
 cd /tmp/src
-curl -O https://ftp.gnu.org/gnu/gcc/gcc-4.9.1/gcc-x.y.z.tar.gz
+curl -O https://ftp.gnu.org/gnu/gcc/gcc-x.y.z/gcc-x.y.z.tar.gz
 tar xf gcc-x.y.z.tar.gz
 mkdir gcc-build
 cd gcc-build