Clean up E0033

Author: GuillaumeGomez

src/librustc_error_codes/error_codes/E0033.md

@@ -1,8 +1,6 @@
-This error indicates that a pointer to a trait type cannot be implicitly
-dereferenced by a pattern. Every trait defines a type, but because the
-size of trait implementers isn't fixed, this type has no compile-time size.
-Therefore, all accesses to trait types must be through pointers. If you
-encounter this error you should try to avoid dereferencing the pointer.
+A trait type has been dereferenced.
+
+Erroneous code example:
 
 ```compile_fail,E0033
 # trait SomeTrait { fn method_one(&self){} fn method_two(&self){} }
@@ -17,7 +15,13 @@ trait_obj.method_one();
 trait_obj.method_two();
 ```
 
+A pointer to a trait type cannot be implicitly dereferenced by a pattern. Every
+trait defines a type, but because the size of trait implementers isn't fixed,
+this type has no compile-time size. Therefore, all accesses to trait types must
+be through pointers. If you encounter this error you should try to avoid
+dereferencing the pointer.
+
 You can read more about trait objects in the [Trait Objects] section of the
 Reference.
 
-[Trait Objects]: https://doc.rust-lang.org/reference/types.html#trait-objects
+[Trait Objects]: https://doc.rust-lang.org/reference/types.html#trait-objects