How to Disable Errors Warnings for HTML in Apatana Studio

If you ever need to get rid of annoying HTML validation errors, warnings like warning on 'data' attributes in Aptana Studio, go to Preferences -> Aptana Studio -> Validation -> HTML Tidy Validator and make sure that 'Build' and 'Reconcile' Columns have a cross (in red) over there if not so and there are green check marks, turn them into cross by clicking on check marks. After that Click apply and OK to save preferences and Select Yes on Build confirmation dialog box to apply new build settings for that.