diff --git a/WORK-RECORDS.md b/WORK-RECORDS.md
index b25f437..bbb460e 100644
--- a/WORK-RECORDS.md
+++ b/WORK-RECORDS.md
@@ -77,6 +77,6 @@
 | task | TREV-WP-0009-T01 | todo | — | workplans/TREV-WP-0009-target-revenue-control-plane.md |
 | task | TREV-WP-0009-T02 | todo | — | workplans/TREV-WP-0009-target-revenue-control-plane.md |
 | task | TREV-WP-0009-T03 | todo | — | workplans/TREV-WP-0009-target-revenue-control-plane.md |
-| task | TREV-WP-0010-T01 | todo | — | workplans/TREV-WP-0010-development-effort-calculator.md |
+| task | TREV-WP-0010-T01 | done | — | workplans/TREV-WP-0010-development-effort-calculator.md |
 | task | TREV-WP-0010-T02 | todo | — | workplans/TREV-WP-0010-development-effort-calculator.md |
 | task | TREV-WP-0010-T03 | todo | — | workplans/TREV-WP-0010-development-effort-calculator.md |