Fix a typo in a format_args! note

Author: cuviper

Diff for: compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs

@@ -2352,7 +2352,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
                                     Applicability::MaybeIncorrect,
                                 );
                             } else {
-                                err.note("the result of `format_args!` can only be assigned directly if no placeholders in it's arguments are used");
+                                err.note("the result of `format_args!` can only be assigned directly if no placeholders in its arguments are used");
                                 err.note("to learn more, visit <https://doc.rust-lang.org/std/macro.format_args.html>");
                             }
                             suggested = true;

Diff for: tests/ui/borrowck/issue-114374-invalid-help-fmt-args.stderr

@@ -9,7 +9,7 @@ LL |     let x = format_args!("a {} {} {}.", 1, format_args!("b{}!", 2), 3);
 LL |     bar(x);
    |         - borrow later used here
    |
-   = note: the result of `format_args!` can only be assigned directly if no placeholders in it's arguments are used
+   = note: the result of `format_args!` can only be assigned directly if no placeholders in its arguments are used
    = note: to learn more, visit <https://doc.rust-lang.org/std/macro.format_args.html>
    = note: this error originates in the macro `format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
 
@@ -24,7 +24,7 @@ LL |
 LL |     bar(foo);
    |         --- borrow later used here
    |
-   = note: the result of `format_args!` can only be assigned directly if no placeholders in it's arguments are used
+   = note: the result of `format_args!` can only be assigned directly if no placeholders in its arguments are used
    = note: to learn more, visit <https://doc.rust-lang.org/std/macro.format_args.html>
    = note: this error originates in the macro `format_args` (in Nightly builds, run with -Z macro-backtrace for more info)