Journeys can be edited as per the requirements ,To edit journeys login to Tydy with an admin account and  Go to Journeys

 In order to edit a particular content, select Edit next to the content, as you can see below in the image below.

Edit the content in your journey as per your requirement and then Select Save to save the changes you have made on the content, Go back to create after making the changes.

  You can also swap the contents of the journeys on the basis of days on which the content is triggered to the participant select SWAP.

Select the content section to which you want to swap

Also you may select the contents and just drag Upwards and Downwards.

Through below video you can learn how to Edit the added content in Journeys.