diff --git a/docs/features/rule.md b/docs/features/rule.md
index e7faf82..ea64bd8 100644
--- a/docs/features/rule.md
+++ b/docs/features/rule.md
@@ -6,7 +6,7 @@ Feature group | Feature type | Data type | Available for node types
 
 ## Feature description
 
-clause rule
+Word group rule
 
 ## Feature values