Fix releaseHeader for the initial release; should backport to v1

Author: GeoffreyBooth

documentation/sections/changelog.md

@@ -511,7 +511,7 @@ releaseHeader('2009-12-24', '0.1.1', '0.1.0')
 Added `instanceof` and `typeof` as operators.
 
 ```
-releaseHeader('2009-12-24', '0.1.0')
+releaseHeader('2009-12-24', '0.1.0', '8e9d637985d2dc9b44922076ad54ffef7fa8e9c2')
 ```
 
 Initial CoffeeScript release.