diff --git a/ROADMAP.md b/ROADMAP.md
index 088d705..52140a7 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -51,8 +51,8 @@ history lives in git.
 - Stockbit's terms call its data delayed at least 10 minutes and for
   personal, non-commercial use (on 2026-10-23 the last trade was within a
   minute of the clock); its CDN refuses some user agents with a 403
-  (`UPSTREAMBLOCKED`). Its order-book sizes are not shown: the page does not
-  say whether they are lots or shares.
+  (`UPSTREAMBLOCKED`). The public page's best bid/offer sizes are not shown
+  yet; they are shares (equal to the session API's book on 2026-10-23).
 - Yahoo can return `429` from datacenter IPs; requests retry with backoff but
   can still fail.
 - `stocks technical` reports the SMA200 trend as unavailable when fewer than
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index a289e19..f66b7cc 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -172,8 +172,9 @@ WIB as the fallback.
   hours; any other value fails closed. In session the chart gained a point
   every minute and the last trade was within a minute of the clock, although
   Stockbit's terms call its data delayed at least 10 minutes. Order-book
-  sizes are dropped: the page does not say whether they are lots or shares.
-  `as_of` comes from `date`/`time`
+  sizes are not shown; they are shares (BBCA's best bid on 2026-10-23 was
+  1,357,500 on the page and 13,575 lots in the session API's book). `as_of`
+  comes from `date`/`time`
   only when the stock traded (a suspended stock carries today's date).
   `session_note` repeats what the page says (suspended, delisted) or "no
   trades this session"; it is never inferred.