diff --git a/src/main/java/org/opentripplanner/apis/transmodel/model/plan/TripQuery.java b/src/main/java/org/opentripplanner/apis/transmodel/model/plan/TripQuery.java
index 6906044c1be..5ed3264a4fd 100644
--- a/src/main/java/org/opentripplanner/apis/transmodel/model/plan/TripQuery.java
+++ b/src/main/java/org/opentripplanner/apis/transmodel/model/plan/TripQuery.java
@@ -53,7 +53,7 @@ public static GraphQLFieldDefinition create(
           .description(
             "The date and time for the earliest time the user is willing to start the journey " +
             "(if `false` or not set) or the latest acceptable time of arriving " +
-            "(`true`). Defaults to now"
+            "(`true`). Defaults to now."
           )
           .type(gqlUtil.dateTimeScalar)
           .build()
@@ -65,8 +65,8 @@ public static GraphQLFieldDefinition create(
           .description(
             """
             The date and time for the latest time the user is expected to book the journey.
-            Normally this is when the search is performed(now), plus a small grace period to
-            complete the booking. Services witch must be booked before this time is excluded. The
+            Normally this is when the search is performed (now), plus a small grace period to
+            complete the booking. Services which must be booked before this time is excluded. The
             `latestBookingTime` and `minimumBookingPeriod` in `BookingArrangement` (flexible
             services only) is used to enforce this. If this parameter is _not set_, no booking-time
             restrictions are applied - all journeys are listed.
diff --git a/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql b/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql
index 2850c57ed30..426de70ebcc 100644
--- a/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql
+++ b/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql
@@ -794,14 +794,14 @@ type QueryType {
     boardSlackList: [TransportModeSlack],
     """
     The date and time for the latest time the user is expected to book the journey.
-    Normally this is when the search is performed(now), plus a small grace period to
-    complete the booking. Services witch must be booked before this time is excluded. The
+    Normally this is when the search is performed (now), plus a small grace period to
+    complete the booking. Services which must be booked before this time is excluded. The
     `latestBookingTime` and `minimumBookingPeriod` in `BookingArrangement` (flexible
     services only) is used to enforce this. If this parameter is _not set_, no booking-time
     restrictions are applied - all journeys are listed.
     """
     bookingTime: DateTime,
-    "The date and time for the earliest time the user is willing to start the journey (if `false` or not set) or the latest acceptable time of arriving (`true`). Defaults to now"
+    "The date and time for the earliest time the user is willing to start the journey (if `false` or not set) or the latest acceptable time of arriving (`true`). Defaults to now."
     dateTime: DateTime,
     "Debug the itinerary-filter-chain. OTP will attach a system notice to itineraries instead of removing them. This is very convenient when tuning the filters."
     debugItineraryFilter: Boolean = false @deprecated(reason : "Use `itineraryFilter.debug` instead."),