Fix a couple of typos.

clippy_lints/src/returns.rs

@@ -399,7 +399,7 @@ fn check_final_expr<'tcx>(
 
             // Returns may be used to turn an expression into a statement in rustc's AST.
             // This allows the addition of attributes, like `#[allow]` (See: clippy#9361)
-            // `#[expect(clippy::needless_return)]` needs to be handled separatly to
+            // `#[expect(clippy::needless_return)]` needs to be handled separately to
             // actually fulfill the expectation (clippy::#12998)
             match cx.tcx.hir().attrs(expr.hir_id) {
                 [] => {},

clippy_lints/src/use_self.rs

@@ -229,7 +229,7 @@ fn check_ty(&mut self, cx: &LateContext<'tcx>, hir_ty: &Ty<'tcx>) {
             && let impl_ty = cx.tcx.type_of(impl_id).instantiate_identity()
             && same_type_and_consts(ty, impl_ty)
             // Ensure the type we encounter and the one from the impl have the same lifetime parameters. It may be that
-            // the lifetime parameters of `ty` are ellided (`impl<'a> Foo<'a> { fn new() -> Self { Foo{..} } }`, in
+            // the lifetime parameters of `ty` are elided (`impl<'a> Foo<'a> { fn new() -> Self { Foo{..} } }`, in
             // which case we must still trigger the lint.
             && (has_no_lifetime(ty) || same_lifetimes(ty, impl_ty))
         {