typo

experimental/cuda2/event_pool.c

@@ -266,7 +266,7 @@ iree_status_t iree_hal_cuda2_event_pool_acquire(
     IREE_TRACE_ZONE_END(z1);
   }
 
-  // Retain a reference to a pool when we pass it to the caller. When caller
+  // Retain a reference to a pool when we pass event to the caller. When caller
   // returns event to the pool we'll release the reference.
   for (unsigned i = 0; i < event_count; ++i) {
     iree_hal_cuda2_event_pool_retain(out_events[i]->pool);  // +1