Hecking trailing space

src/types/closure.md

@@ -65,7 +65,7 @@ types, by copy, regardless of whether a borrow would work. The `move` keyword is
 usually used to allow the closure to outlive the captured values, such as if the
 closure is being returned or used to spawn a new thread.
 
-r[type.closure.capture.composite] 
+r[type.closure.capture.composite]
 Composite types such as structs, tuples, and enums are always captured entirely,
 not by individual fields. It may be necessary to borrow into a local variable in
 order to capture a single field: