Merge pull request #224 from mehran-prs/master-1

Update machine-communication.md

src/in-depth/machine-communication.md

@@ -247,7 +247,7 @@ Words in README.md: 47
 ```
 
 But what if we wanted to count the number of words piped into the program?
-Rust programs can read data passed in via stdin with the with [the Stdin
+Rust programs can read data passed in via stdin with the [Stdin
 struct](https://doc.rust-lang.org/std/io/struct.Stdin.html) which you can
 obtain via [the stdin function](https://doc.rust-lang.org/std/io/fn.stdin.html)
 from the standard library. Similar to reading the lines of a file, it can read