R.33 add missing space in the title (isocpp#2014)

Author: kimim

CppCoreGuidelines.md

@@ -9972,7 +9972,7 @@ Using `unique_ptr` in this way both documents and enforces the function call's o
 * (Simple) Warn if a function takes a `Unique_pointer<T>` parameter by lvalue reference and does not either assign to it or call `reset()` on it on at least one code path. Suggest taking a `T*` or `T&` instead.
 * (Simple) ((Foundation)) Warn if a function takes a `Unique_pointer<T>` parameter by reference to `const`. Suggest taking a `const T*` or `const T&` instead.
 
-### <a name="Rr-reseat"></a>R.33: Take a `unique_ptr<widget>&` parameter to express that a function reseats the`widget`
+### <a name="Rr-reseat"></a>R.33: Take a `unique_ptr<widget>&` parameter to express that a function reseats the `widget`
 
 ##### Reason