note on queue output ref #2

Author: m-kro

docs/web/docs/Simulation/Output/QueueOutput.md

@@ -10,7 +10,8 @@ using the end of the last standing vehicle.
 
 The simulation is forced to generate this output using the option **--queue-output** {{DT_FILE}}. {{DT_FILE}} is
 the name of the file the output will be written to. Any other file with
-this name will be overwritten, the destination folder must exist.
+this name will be overwritten, the destination folder must exist. Using the option **--qeue-output.period** {{DT_FLOAT}}, the times 
+the queue lengths will be written can be restricted to the given period. Then, the other time steps will be skipped.
 
 ## Generated Output