Merge pull request #2304 from rashiq/rashiq-chapter-1.2-rusftmt

Update paragraph about rustfmt in Chapter 1.2

src/ch01-02-hello-world.md

@@ -105,12 +105,11 @@ requires these around all function bodies. It’s good style to place the openin
 curly bracket on the same line as the function declaration, adding one space in
 between.
 
-At the time of this writing, an automatic formatter tool called `rustfmt` is
-under development. If you want to stick to a standard style across Rust
-projects, `rustfmt` will format your code in a particular style. The Rust team
-plans to eventually include this tool with the standard Rust distribution, like
-`rustc`. So depending on when you read this book, it might already be installed
-on your computer! Check the online documentation for more details.
+If you want to stick to a standard style across Rust projects, you can use an 
+automatic formatter tool called `rustfmt` to format your code in a particular
+style. The Rust team has included this tool with the standard Rust distribution,
+like `rustc`, so it should already be installed on your computer! Check the online
+documentation for more details.
 
 Inside the `main` function is the following code: