Itr processed with rs.40 as outstanding

Dear Sir,

Today I recieved the intimation under sec 143(1) about my ITR 16-17 processed with attachment, which indicate all the entries are same i.e. as provided by tax payer and as computed under 143(1), but an entry of Rs.40 shown as outstanding. The aggregate tax liability is higher by Rs.40 when compared to total tax credit. What should I do ?, should I pay Rs.40 and revise the return or ignore. Kindly advise me.

Thanks

GR Babu