diff --git a/reference/catalog/category-trees_catalog.v3.yml b/reference/catalog/category-trees_catalog.v3.yml
index b06c37c1a..bd391db1f 100644
--- a/reference/catalog/category-trees_catalog.v3.yml
+++ b/reference/catalog/category-trees_catalog.v3.yml
@@ -402,7 +402,11 @@ paths:
   '/catalog/trees/{tree_id}/categories':
     get:
       summary: Get a category tree
-      description: Returns a category tree.
+      description: |-
+        Returns a category tree.
+
+        **Note:**
+        The default rate limit for this endpoint is 1 concurrent request.
       operationId: getCategoryTree
       parameters:
         - name: depth