Fix typo in comment (#830)

include/nanobind/nb_lib.h

@@ -305,7 +305,7 @@ NB_CORE PyObject *nb_type_put_unique_p(const std::type_info *cpp_type,
                                        void *value, cleanup_list *cleanup,
                                        bool cpp_delete) noexcept;
 
-/// Try to reliquish ownership from Python object to a unique_ptr;
+/// Try to relinquish ownership from Python object to a unique_ptr;
 /// return true if successful, false if not. (Failure is only
 /// possible if `cpp_delete` is true.)
 NB_CORE bool nb_type_relinquish_ownership(PyObject *o, bool cpp_delete) noexcept;