chore: fix some comments

Signed-off-by: xiaoxiangxianzi <zhaoyizheng@outlook.com>

compiler/rustc_const_eval/src/const_eval/eval_queries.rs

@@ -409,7 +409,7 @@ fn const_validate_mplace<'mir, 'tcx>(
             }
         };
         ecx.const_validate_operand(&mplace.into(), path, &mut ref_tracking, mode)
-            // Instead of just reporting the `InterpError` via the usual machinery, we give a more targetted
+            // Instead of just reporting the `InterpError` via the usual machinery, we give a more targeted
             // error about the validation failure.
             .map_err(|error| report_validation_error(&ecx, error, alloc_id))?;
         inner = true;