diff --git a/docs/_data/nakadi-event-bus-api.yaml b/docs/_data/nakadi-event-bus-api.yaml
index 3a35af67f3..5ebbfa9033 100644
--- a/docs/_data/nakadi-event-bus-api.yaml
+++ b/docs/_data/nakadi-event-bus-api.yaml
@@ -1445,7 +1445,8 @@ paths:
           description: shows consumer time lag as an optional field.
           This option is a time consuming operation and Nakadi attempts to compute it in the best possible strategy.
           In cases of failures, resulting in Nakadi being unable to compute it within a configurable timeout,
-          the field might not be present in the output.
+          the field might either be partially present or not present (dependiong on the number of successful requests)
+          in the output.
           type: boolean
           default: false
       responses: