diff --git a/episodes/2026-02-22.md b/episodes/2026-02-22.md
index 07707b96ad6..d71e95b2629 100644
--- a/episodes/2026-02-22.md
+++ b/episodes/2026-02-22.md
@@ -24,3 +24,7 @@ To
 ## 09:44 - Paper Dynasty card-creation needs a dedicated API query CLI tool
 - **Type:** decision
 - **Tags:** paper-dynasty, cli, tooling, future-work, card-creation
+
+## 09:44 - PD API /players endpoint: filter by cardset uses "cardset_id" not "cardset"
+- **Type:** fix
+- **Tags:** paper-dynasty, api, debugging, gotcha, card-creation, fix