diff --git a/doc/userguide.md b/doc/userguide.md
index 973e678a..9d11fc4b 100644
--- a/doc/userguide.md
+++ b/doc/userguide.md
@@ -312,6 +312,7 @@ The configuration fields are:
 | `report_dir`                     | directory where HTML and JSON report pages are written |
 | `status_update_interval_seconds` | deprecated and ignored                                 |
 | `triggers`                       | see [the "Triggering CI" chapter](#triggers)           |
+| `update_job_cobs`                | create or update job COBs for CI runs?                 |
 
 The items in the `adapters` list may use the following fields: