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diff --git a/src/server/io.h b/src/server/io.h
index 6f59bd0..da53390 100644
--- a/src/server/io.h
+++ b/src/server/io.h
@@ -17,15 +17,8 @@
  * if queue is empty and world.do_update is set, update world state file (and
  * unset world.do_update) and write a single dot line to server out file, then
  * read server in file for the next load of bytes to put onto the input queue.
- *
- * Reading the server in file may put many \0-terminated strings on the queue at
- * once. Successive calls of io_round() will make these available one by one.
- * Each such call cuts off bytes from the beginning of world.queue, up to and
- * including the last \0 byte that is followed by a non-\0 byte or ends the
- * queue. If the queue starts with a \0 byte, it and its \0 followers are cut
- * and a NULL pointer is returned. Reading from the input file stops only when
- * one or more byte were read and the next read returns 0 bytes. If the
- * re-filled queue does not end in a \0 byte, a \0 byte is appended to it.
+ * (Queueing ensures only complete messages are interpreted, and io_loop()'s
+ * server tests only happening in a multi-second interval on inactivity.)
  */
 extern char * io_round();