diff --git a/doc/api/pipeline_triggers.md b/doc/api/pipeline_triggers.md
index c554e5f1964..50fc19f0e08 100644
--- a/doc/api/pipeline_triggers.md
+++ b/doc/api/pipeline_triggers.md
@@ -103,6 +103,7 @@ PUT /projects/:id/triggers/:trigger_id
 
 | Attribute     | Type    | required | Description              |
 |---------------|---------|----------|--------------------------|
+| `id`          | integer | yes      | The ID of a project      |
 | `trigger_id`  | integer | yes      | The trigger id           |
 | `description` | string  | no       | The trigger name         |
 
@@ -133,6 +134,7 @@ POST /projects/:id/triggers/:trigger_id/take_ownership
 
 | Attribute     | Type    | required | Description              |
 |---------------|---------|----------|--------------------------|
+| `id`          | integer | yes      | The ID of a project      |
 | `trigger_id`  | integer | yes      | The trigger id           |
 
 ```