improve clunky grammar in borrowck diagnostic

Author: yotamofek

compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs

@@ -2695,7 +2695,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
             }
 
             err.multipart_suggestion_verbose(
-                "try explicitly pass `&Self` into the Closure as an argument",
+                "try explicitly passing `&Self` into the closure as an argument",
                 sugg,
                 Applicability::MachineApplicable,
             );

tests/ui/suggestions/issue-105761-suggest-self-for-closure.stderr

@@ -11,7 +11,7 @@ LL |         self.qux();
 LL |         x(1);
    |         - immutable borrow later used here
    |
-help: try explicitly pass `&Self` into the Closure as an argument
+help: try explicitly passing `&Self` into the closure as an argument
    |
 LL ~         let x = |this: &Self, v: i32| {
 LL ~             this.bar();
@@ -35,7 +35,7 @@ LL |         self.qux();
 LL |         y();
    |         - immutable borrow later used here
    |
-help: try explicitly pass `&Self` into the Closure as an argument
+help: try explicitly passing `&Self` into the closure as an argument
    |
 LL ~         let y = |this: &Self| {
 LL ~             this.bar();