The profile signature appears at the bottom of every post you create on the Forum

Here is how to create your Signature: 

1. You will need to be a member of the Travelling Doctors Community. If have not joined you will need to register
   
2. Ensure you are logged in
3. Click "View Your Profile" on the left hand side (or click on your picture)
4.  Select "Edit" - "Update Your Profile" from above your name
5. Select the "Forum Settings" tab
6. Enter what you want in the Signature Box

Some suggestions - your Hospital, your job, your location.