1 files changed, 5 insertions, 2 deletions
diff --git a/src/ninep/pane.zig b/src/ninep/pane.zig
index b07ee038..c03cd776 100644
--- a/src/ninep/pane.zig
+++ b/src/ninep/pane.zig
@@ -32,6 +32,7 @@ pub const State = struct {
     /// `cat addr` answer what was written.
     addr: Range = .{},
     limit: ?Range = null,
+    /// Opens of `event`, which hold the pane scripted.
     readers: u16 = 0,
     /// One of `readers` reads `event`; a second reading open is refused.
     event_reader: bool = false,
@@ -39,9 +40,11 @@ pub const State = struct {
     nomark: bool = false,
     noscroll: bool = false,
     tag_snap: std.ArrayList(u8) = .empty,
-    pty_readers: u16 = 0,
+    /// An open reads pty/data, so output queues for it; a second is refused.
+    pty_reader: bool = false,
     pty_out: events.Queue = .{},
-    /// The pty/run open waiting on this shell's current command.
+    /// The open record (tree.zig) of the pty/run waiting on this shell's
+    /// current command.
     run: ?u8 = null,
     /// The host started a shell it could not teach to mark its prompts.
     unmarked: bool = false,