fix typo

Author: staabm

content/actions/reference/events-that-trigger-workflows.md

@@ -602,7 +602,7 @@ This event runs in the context of the base of the pull request, rather than in t
 
 | Webhook event payload | Activity types | `GITHUB_SHA` | `GITHUB_REF` |
 | --------------------- | -------------- | ------------ | -------------|
-| [`pull_request`](/webhooks/event-payloads/#pull_request) | - `assigned`<br/>- `unassigned`<br/>- `labeled`<br/>- `unlabeled`<br/>- `opened`<br/>- `edited`<br/>- `closed`<br/>- `reopened`<br/>- `synchronize`<br/>- `ready_for_review`<br/>- `locked`<br/>- `unlocked` <br/>- `review_requested` <br/>- `review_request_removed` | Last commit on the PR base branch | PR base branch |
+| [`pull_request_target`](/webhooks/event-payloads/#pull_request) | - `assigned`<br/>- `unassigned`<br/>- `labeled`<br/>- `unlabeled`<br/>- `opened`<br/>- `edited`<br/>- `closed`<br/>- `reopened`<br/>- `synchronize`<br/>- `ready_for_review`<br/>- `locked`<br/>- `unlocked` <br/>- `review_requested` <br/>- `review_request_removed` | Last commit on the PR base branch | PR base branch |
 
 By default, a workflow only runs when a `pull_request_target`'s activity type is `opened`, `synchronize`, or `reopened`. To trigger workflows for more activity types, use the `types` keyword. For more information, see "[Workflow syntax for {% data variables.product.prodname_actions %}](/articles/workflow-syntax-for-github-actions#onevent_nametypes)."