diff --git a/Documentation/pg-plugin-endpoints.txt b/Documentation/pg-plugin-endpoints.txt
index cb1041f855..cb80c7418b 100644
--- a/Documentation/pg-plugin-endpoints.txt
+++ b/Documentation/pg-plugin-endpoints.txt
@@ -149,11 +149,44 @@ The following endpoints are available to plugins.
=== change-list-header
The `change-list-header` extension point adds a header to the change list view.
-
=== change-list-item-cell
The `change-list-item-cell` extension point adds a cell to the change list item.
+In addition to default parameters, the following are available:
+
* `change`
+
current change of the row, an instance of
link:rest-api-changes.html#change-info[ChangeInfo]
+
+=== change-view-tab-header
+The `change-view-tab-header` extension point adds a primary tab to the change
+view. This must be used in conjunction with `change-view-tab-content`.
+
+In addition to default parameters, the following are available:
+
+* `change`
++
+current change displayed, an instance of
+link:rest-api-changes.html#change-info[ChangeInfo]
+
+* `revision`
++
+current revision displayed, an instance of
+link:rest-api-changes.html#revision-info[RevisionInfo]
+
+=== change-view-tab-content
+The `change-view-tab-content` extension point adds primary tab content to
+the change view. This must be used in conjunction with `change-view-tab-header`.
+
+In addition to default parameters, the following are available:
+
+* `change`
++
+current change displayed, an instance of
+link:rest-api-changes.html#change-info[ChangeInfo]
+
+* `revision`
++
+current revision displayed, an instance of
+link:rest-api-changes.html#revision-info[RevisionInfo]
diff --git a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html
index fc0cab0851..730f5270d4 100644
--- a/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html
+++ b/polygerrit-ui/app/elements/change/gr-change-view/gr-change-view.html
@@ -519,8 +519,27 @@ limitations under the License.
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@@ -575,7 +606,7 @@ limitations under the License.