typos: fix typos

Signed-off-by: Louis Greiner <[email protected]>

content/docs/reference/design-docs/timetable/index.en.md

@@ -301,13 +301,13 @@ GET /paced_train/ID/path?infra_id=42 # Retrieve the path from a paced_train
 # Retrieve the list of conflict of the timetable (invalid trains are ignored)
 GET /timetable/ID/conflicts?infra=N
 # Retrieve the space, speed and time curve of a given train
-GET /train_schedule/ID/simulation?infa=N
+GET /train_schedule/ID/simulation?infra=N
 # Retrieve the space, speed and time curve of a given paced train
-GET /paced_train/ID/simulation?infa=N
+GET /paced_train/ID/simulation?infra=N
 # Retrieves simulation information for a given train list. Useful for finding out whether pathfinding/simulation was successful.
-GET /train_schedule/simulations_sumary?infa=N&ids[]=X&ids[]=Y
+GET /train_schedule/simulations_summary?infra=N&ids[]=X&ids[]=Y
 # Retrieves simulation information for a given paced train list. Useful for finding out whether pathfinding/simulation was successful.
-GET /paced_train/simulations_sumary?infa=N&ids[]=X&ids[]=Y
+GET /paced_train/simulations_summary?infra=N&ids[]=X&ids[]=Y
 # Projects the space time curves and paths of a number of train schedules onto a given path
 POST /v2/train_schedule/project_path?infra=N&ids[]=X&ids[]=Y
 # Projects the space time curves and paths of a number of paced trains onto a given path