Example with mandatory variables not filled in

rougail:                      # Rougail
  family1:                    # New description
    variable1: example        # A variable
  family2:                    # A second family
    variable2: example        # A second variable

Example with all variables modifiable

rougail:                      # Rougail
  family1:                    # New description
    variable1: example        # A variable
  family2:                    # A second family
    variable2: example        # A second variable