Coronation Street viewers are convinced that Laura Neelan (Kel Allen) may not be telling the truth about her cancer diagnosis after spotting huge name blunder.Kelly Neelan's (Millie Gibson) mum arrived back in Weatherfield last month to reveal that she was dying of stomach cancer and only had months to live.Since then youngster Kelly has been secretly looking after her mum while juggling shifts at the barbers Trim Up North.She has also been collecting her mum's medication from the doctors.However, eagle-eyed fans noticed a huge blunder during a recent episode.A viewer shared a screenshot online o fa text message Kelly received from her mum's pharmacy which read: "Lauren Neelan. Your prescription is ready for collection."Alongside the snap, the fan wrote: "I always thought that Kelly's mother was named Laura."Last night the text that Kelly received was that Lauren Neelan's prescription was ready.