Allowances for Future Extensions
The Corporation shall, in the design and construction of the Penny’s Bay Rail Link, make reasonable allowance for:-

9.1an expansion in capacity of the Penny’s Bay Rail Link to accommodate 8-car trains and/or dual tracks; and

9.2a possible future extension to serve additional theme park developments and other tourism or recreational developments in Penny’s Bay and Tsing Chau Tsai East.

Disneyland Resort Line was called Penny's Bay Rail Link.

Source: MTR