diff --git a/gtfs-realtime/proto/gtfs-realtime.proto b/gtfs-realtime/proto/gtfs-realtime.proto
index 34a8a20a..92bce781 100644
--- a/gtfs-realtime/proto/gtfs-realtime.proto
+++ b/gtfs-realtime/proto/gtfs-realtime.proto
@@ -765,7 +765,7 @@ message TripDescriptor {
   // The initially scheduled start time of this trip instance.
   // When the trip_id corresponds to a non-frequency-based trip, this field
   // should either be omitted or be equal to the value in the GTFS feed. When
-  // the trip_id correponds to a frequency-based trip, the start_time must be
+  // the trip_id corresponds to a frequency-based trip, the start_time must be
   // specified for trip updates and vehicle positions. If the trip corresponds
   // to exact_times=1 GTFS record, then start_time must be some multiple
   // (including zero) of headway_secs later than frequencies.txt start_time for
@@ -1105,7 +1105,7 @@ message TripModifications {
   // A `Modification` message replaces a span of n stop times from each affected trip starting at `start_stop_selector`.
   message Modification {
     // The stop selector of the first stop_time of the original trip that is to be affected by this modification.
-    // Used in conjuction with `end_stop_selector`. 
+    // Used in conjunction with `end_stop_selector`. 
     // `start_stop_selector` is required and is used to define the reference stop used with `travel_time_to_stop`.
     optional StopSelector start_stop_selector = 1;
 
@@ -1210,4 +1210,4 @@ message ReplacementStop {
 
   // The following extension IDs are reserved for private use by any organization.
   extensions 9000 to 9999;
-}
\ No newline at end of file
+}