mruby-sleep: make error messages consistent.
@@ -95,7 +95,7 @@ mrb_f_usleep(mrb_state *mrb, mrb_value self)
if (usec >= 0) {
usleep(usec);
} else {
- mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must not be negative integer");
+ mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must not be negative");
}
#ifdef _WIN32
