strengthen language

Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>

src/attributes/codegen.md

@@ -145,7 +145,7 @@ feature detection on the x86 platforms.
 The `track_caller` attribute applies to function declarations and indicates to the compiler that the
 attributed function's generated code should have an implicit `&'static core::panic::Location`
 argument which is populated by its caller. If the caller of the attributed function is also
-annotated with `#[track_caller]`, then the attributed function should receive the location
+annotated with `#[track_caller]`, then the attributed function receives the location
 its caller received, and so on.
 
 An implementation of `core::intrinsics::caller_location` returns this implicit argument if called