diff --git a/routes/station.js b/routes/station.js
index dd9c473..c2b24b3 100644
--- a/routes/station.js
+++ b/routes/station.js
@@ -52,6 +52,7 @@ Returns a stop/station from [\`db-stations@3\`](https://github.com/derhuerst/db-
 						},
 					},
 				},
+				// todo: non-2xx response
 			},
 		},
 	},
diff --git a/routes/stations.js b/routes/stations.js
index 3f79bf5..c64a464 100644
--- a/routes/stations.js
+++ b/routes/stations.js
@@ -166,8 +166,14 @@ Instead of receiving a JSON response, you can request [newline-delimited JSON](h
 							},
 							// todo: example(s)
 						},
+						'application/x-ndjson': {
+							schema: {
+								type: 'string',
+							},
+						},
 					},
 				},
+				// todo: non-2xx response
 			},
 		},
 	},