diff --git a/src/scheduler.rs b/src/scheduler.rs
index 81611f2..c5b890c 100644
--- a/src/scheduler.rs
+++ b/src/scheduler.rs
@@ -69,6 +69,7 @@ pub fn set_globals(lua:&mlua::Lua,globals:&mlua::Table)->Result<(),mlua::Error>{
 				let delay=f.max(0.0)*60.0;
 				match delay.classify(){
 					std::num::FpCategory::Nan=>Err(mlua::Error::runtime("NaN"))?,
+					// cases where the number is too large to schedule
 					std::num::FpCategory::Infinite=>return Ok(()),
 					std::num::FpCategory::Normal=>if (u64::MAX as f64)<delay{
 						return Ok(());