deploy board docs: correct "node" to "pod"

doc/user/project/deploy_boards.md

@@ -96,7 +96,7 @@ navigate to the environments page under **Operations > Environments**.
 
 Deploy Boards are visible by default. You can explicitly click
 the triangle next to their respective environment name in order to hide them.
-GitLab will then query Kubernetes for the state of each node (e.g., waiting,
+GitLab will then query Kubernetes for the state of each pod (e.g., waiting,
 deploying, finished, unknown), and the Deploy Board status will finally appear.
 
 GitLab will only display a Deploy Board for top-level environments. Foldered