How to disable Attack signature on a Particular URL?

if you have signature id with you which you want to disable --

Application Security --> Attack Signatures --> Attack Signatures List --> Select the policy for which you want to disable the signature under "Current edited policy" --> Click on "Show filter details" --> Type "Signature ID" --> Click on "Go" --> Click on "Signature Name" which shows up after you clicked on Go --> Remove "Enable" checkbox and Click on "Update" --> Apply Policy