Correct for trait-bounds.md

`fn f<A> where A: Copy () {}` -> `fn f<A>() where A: Copy {}`

Author: jamesreprise

src/trait-bounds.md

@@ -27,7 +27,7 @@ provided on any type in a [where clause]. There are also shorter forms for
 certain common cases:
 
 * Bounds written after declaring a [generic parameter][generic]:
-  `fn f<A: Copy>() {}` is the same as `fn f<A> where A: Copy () {}`.
+  `fn f<A: Copy>() {}` is the same as `fn f<A>() where A: Copy {}`.
 * In trait declarations as [supertraits]: `trait Circle : Shape {}` is
   equivalent to `trait Circle where Self : Shape {}`.
 * In trait declarations as bounds on [associated types]: