fix typo in comment in propogator_state.h

PiperOrigin-RevId: 421134657
Change-Id: If54ff7d4f9d426a6060d0cdec6e505403a36fc3f
diff --git a/tensorflow/core/common_runtime/propagator_state.h b/tensorflow/core/common_runtime/propagator_state.h
index dd85369..0097479 100644
--- a/tensorflow/core/common_runtime/propagator_state.h
+++ b/tensorflow/core/common_runtime/propagator_state.h
@@ -527,7 +527,7 @@
 // problem: For example, In usecases that are running close to the RAM limit of
 // a device, reordering ops can cause an increase in memory fragmenenation,
 // causing an OOM.
-// This codepath is enabled using TF_DETERMINISTIC_OPS=1 in executor.cc
+// This codepath is enabled using TF_DETERMINISTIC_ORDER=1 in executor.cc
 class OrderedPropagatorState : public PropagatorState {
   using PropagatorState::PropagatorState;