Oralce PL/SQL: Prompt for choice in execution

SET ECHO OFF
SET FEEDBACK ON
SET PAGES 99999
SET verify off
 
Spool AUDIT_INCREMENTS_FIX.log
 
select 'Current Audit related Increments in table: ' FROM dual;
select MINOR, LASTVAL FROM INCREMENTS where MAJOR = 'AUDITOR';
 
select 'Max DATA: ' || max(DATA) from AUDIT_DATA;
select 'Max EVENT: ' || max(EVENT) from AUDIT_EVENT;
select 'Max TRANSACTION: ' || max(TRANSACTION) from AUDIT_TRANSACTION;
 
accept choice prompt 'Fix Increments for audit (Y/N)?';
begin
    if '&choice' = 'Y' then
        -- update the increments
        update INCREMENTS set LASTVAL = (select max(DATA) from AUDIT_DATA) 
        WHERE MAJOR = 'AUDITOR' and MINOR = 'DATA';
 
        update INCREMENTS set LASTVAL = (select max(EVENT) from AUDIT_EVENT) 
        WHERE MAJOR = 'AUDITOR' and MINOR = 'EVENT';
 
        update INCREMENTS set LASTVAL = (select max(TRANSACTION) from AUDIT_TRANSACTION) 
        WHERE MAJOR = 'AUDITOR' and MINOR = 'TRANSACTION';
 
        commit;
    else
        SELECT 'Did not update.' from dual;
    end if;
end ;
 
 
SELECT 'Audit related Increments After the fix: ' from dual;
SELECT * FROM INCREMENTS where MAJOR = 'AUDITOR';
 
spool off