diff --git a/module.yaml b/module.yaml
index 6ff61c5..b4ee08a 100644
--- a/module.yaml
+++ b/module.yaml
@@ -13,7 +13,7 @@ version: 0.1.0
 # Reuse-lens: any quant analysis that needs cohort sizing —
 # market research, audience targeting, public-health tracking.
 provides:
-  - capability: stats.cohort_size
+  - capability: stats.cohort-size
     version: 0.1.0
 
 inputs: