Fixed broken url in the documentation

Author: sunesimonsen

documentation/index.md

@@ -20,7 +20,7 @@ on the generator function, unexpected-check will try to shrink the error space
 as much as possible and therefore provide much more precise error cases.
 
 I recommend using the plugin together with
-[chance-generators](https://github.com/sunesimonsen/change-generators) as it
+[chance-generators](https://github.com/sunesimonsen/chance-generators) as it
 provides a huge range of generators and supports shrinking, but it is not a
 requirement. You can uses any function that produces a random output when called
 as generators.