- * [`get_outputs_to_watch`]: channelmonitor/struct.ChannelMonitor.html#method.get_outputs_to_watch
- * [`block_connected`]: channelmonitor/struct.ChannelMonitor.html#method.block_connected
- * [`block_disconnected`]: channelmonitor/struct.ChannelMonitor.html#method.block_disconnected
+ * Note: this interface MUST error with `ChannelMonitorUpdateErr::PermanentFailure` if
+ * the given `funding_txo` has previously been registered via `watch_channel`.
+ *
+ * [`get_outputs_to_watch`]: channelmonitor::ChannelMonitor::get_outputs_to_watch
+ * [`block_connected`]: channelmonitor::ChannelMonitor::block_connected
+ * [`block_disconnected`]: channelmonitor::ChannelMonitor::block_disconnected