diff --git a/.project/tasks/m2b-full-ecosystem/README.md b/.project/tasks/m2b-full-ecosystem/README.md
index 844aa4ad..d6090035 100644
--- a/.project/tasks/m2b-full-ecosystem/README.md
+++ b/.project/tasks/m2b-full-ecosystem/README.md
@@ -4,7 +4,7 @@
 
 **Prerequisite**: M2a complete (ecosystem engine, trait system, SQLite with individual creatures, BiomeClassifier, Lotka-Volterra, proof species functional, DOTA sprite pipeline working).
 
-**Design doc**: `games/age-of-four/docs/CREATURE_ECOSYSTEM.md`
+**Design doc**: `games/age-of-dwarves/docs/CREATURE_ECOSYSTEM.md`
 
 **Quality tiers**: Prolific(Q1) → Common(Q2) → Rare(Q3) → Legendary(Q4) → Epic(Q5). Q4-Q5 = natural wonders.