Reorder sections in doc/index.md

Author: petrochenkov

src/doc/index.md

@@ -20,13 +20,28 @@ series of small examples.
 
 [rbe]: http://rustbyexample.com/
 
+# Specification
+
+Rust does not have an exact specification, but an effort to describe as much of
+the language in as much detail as possible is in [the reference](reference.html).
+
 # The Standard Library
 
 We have [API documentation for the entire standard
 library](std/index.html). There's a list of crates on the left with more
 specific sections, or you can use the search bar at the top to search for
 something if you know its name.
 
+# Tools
+
+Rust is still a young language, so there isn't a ton of tooling yet, but the
+tools we have are really nice.
+
+[Cargo](https://crates.io) is Rust's package manager, and its website contains
+lots of good documentation.
+
+[`rustdoc`](book/documentation.html) is used to generate documentation for Rust code.
+
 # Community & Getting Help
 
 If you need help with something, or just want to talk about Rust with others,
@@ -54,25 +69,10 @@ There is an active [subreddit](https://reddit.com/r/rust) with lots of
 discussion and news about Rust.
 
 There is also a [user forum](https://users.rust-lang.org), for all
-user-oriented discussion, and a [developer 
+user-oriented discussion, and a [developer
 forum](https://internals.rust-lang.org/), where the development of Rust
 itself is discussed.
 
-# Specification
-
-Rust does not have an exact specification, but an effort to describe as much of
-the language in as much detail as possible is in [the reference](reference.html).
-
-# Tools
-
-Rust is still a young language, so there isn't a ton of tooling yet, but the
-tools we have are really nice.
-
-[Cargo](https://crates.io) is Rust's package manager, and its website contains
-lots of good documentation.
-
-[`rustdoc`](book/documentation.html) is used to generate documentation for Rust code.
-
 # FAQs
 
 There are questions that are asked quite often, so we've made FAQs for them: