diff --git a/src/bentoml/_internal/marshal/dispatcher.py b/src/bentoml/_internal/marshal/dispatcher.py
index 0a9a8b43138..8abe6c52461 100644
--- a/src/bentoml/_internal/marshal/dispatcher.py
+++ b/src/bentoml/_internal/marshal/dispatcher.py
@@ -354,6 +354,7 @@ async def controller(self):
                 a = self.optimizer.o_a
                 b = self.optimizer.o_b
 
+                # the estimated latency of the first request if we began processing now
                 latency_0 = w0 + a * n + b
 
                 if n > 1 and latency_0 >= self.max_latency_in_ms: