diff --git a/strafe-client/src/session.rs b/strafe-client/src/session.rs
index b5b8ba3..17a0d7e 100644
--- a/strafe-client/src/session.rs
+++ b/strafe-client/src/session.rs
@@ -99,7 +99,7 @@ impl Recording{
 	}
 }
 pub struct Replay{
-	last_instruction_id:usize,
+	next_instruction_id:usize,
 	recording:Recording,
 	simulation:Simulation,
 }
@@ -109,7 +109,7 @@ impl Replay{
 		simulation:Simulation,
 	)->Self{
 		Self{
-			last_instruction_id:0,
+			next_instruction_id:0,
 			recording,
 			simulation,
 		}
@@ -117,16 +117,16 @@ impl Replay{
 	pub fn advance(&mut self,physics_data:&PhysicsData,time_limit:SessionTime){
 		let mut time=self.simulation.timer.time(time_limit);
 		loop{
-			if let Some(ins)=self.recording.instructions.get(self.last_instruction_id){
+			if let Some(ins)=self.recording.instructions.get(self.next_instruction_id){
 				if ins.time<time{
 					PhysicsContext::run_input_instruction(&mut self.simulation.physics,physics_data,ins.clone());
-					self.last_instruction_id+=1;
+					self.next_instruction_id+=1;
 				}else{
 					break;
 				}
 			}else{
 				// loop playback
-				self.last_instruction_id=0;
+				self.next_instruction_id=0;
 				// No need to reset physics because the very first instruction is 'Reset'
 				let new_time=self.recording.instructions.first().map_or(PhysicsTime::ZERO,|ins|ins.time);
 				self.simulation.timer.set_time(time_limit,new_time);
@@ -340,7 +340,7 @@ impl InstructionConsumer<Instruction<'_>> for Session{
 						let time=replay.simulation.timer.time(ins.time+SessionTime::from_secs(5));
 						replay.simulation.timer.set_time(ins.time,time);
 						// resimulate the entire playback lol
-						replay.last_instruction_id=0;
+						replay.next_instruction_id=0;
 					},
 				}
 			},