Update Wasm.md

Author: MikeCamel

docs/Installation/Wasm.md

@@ -6,8 +6,9 @@ Install the WebAssembly Rust toolchain:
 
     $ rustup target install wasm32-wasi
 
-Create a simple Rust program:
+Create a simple Rust program.  First make sure you're not in the repository you already created:
 
+    $ cd ~/
     $ cargo init --bin hello-world
     $ cd hello-world
     $ echo 'fn main() { println!("Hello, Enarx!"); }' > src/main.rs
@@ -34,4 +35,4 @@ You can manually select a backend with the `--backend` option, or by
 setting the `ENARX_BACKEND` environment variable:
 
     $ enarx run --backend=sgx target/wasm32-wasi/release/hello-world.wasm
-    $ ENARX_BACKEND=sgx enarx run target/wasm32-wasi/release/hello-world.wasm
+    $ ENARX_BACKEND=sgx enarx run target/wasm32-wasi/release/hello-world.wasm