fix docs and add to changelog

changelog.md

@@ -1,6 +1,10 @@
 In this file will be listed the changes, especially the breaking ones that one should be careful of
 when upgrading from a version of rust-sdl2 to another.
 
+### Unreleased
+
+[PR #1408](https://github.com/Rust-SDL2/rust-sdl2/pull/1408) Allow comparing `Version`s, add constant with the version the bindings were compiled with.
+
 ### v0.37.0
 
 [PR #1406](https://github.com/Rust-SDL2/rust-sdl2/pull/1406) Update bindings to SDL 2.0.26, add Event.is\_touch() for mouse events, upgrade wgpu to 0.20 in examples

src/sdl2/version.rs

@@ -1,13 +1,11 @@
-/*!
-Querying SDL Version
- */
+//! Querying SDL Version
 
 use std::ffi::CStr;
 use std::fmt;
 
 use crate::sys;
 
-/// A structure that contains information about the version of SDL in use.
+/// A structure that contains a version of SDL.
 #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug, PartialOrd, Ord)]
 pub struct Version {
     /// major version
@@ -27,7 +25,7 @@ impl Version {
         patch: sys::SDL_PATCHLEVEL as u8,
     };
 
-    /// Convert a raw *SDL_version to Version.
+    /// Convert a raw SDL_version to Version.
     pub fn from_ll(v: sys::SDL_version) -> Version {
         Version {
             major: v.major,