Update docs for v2 syntax

Author: mbrubeck

README.md

@@ -28,7 +28,7 @@ rust-smallvec
 use smallvec::{SmallVec, smallvec};
 
 // This SmallVec can hold up to 4 items on the stack:
-let mut v: SmallVec<[i32; 4]> = smallvec![1, 2, 3, 4];
+let mut v: SmallVec<i32, 4> = smallvec![1, 2, 3, 4];
 
 // It will automatically move its contents to the heap if
 // contains more than four items:

src/lib.rs

@@ -23,7 +23,7 @@
 //!
 //! ### `write`
 //!
-//! When this feature is enabled, `SmallVec<[u8; _]>` implements the `std::io::Write` trait.
+//! When this feature is enabled, `SmallVec<u8, _>` implements the `std::io::Write` trait.
 //! This feature is not compatible with `#![no_std]` programs.
 //!
 //! ### `specialization`