Mark up text that is no longer correct:
The <s> tag specifies text that is no longer correct, accurate or relevant.
The <s> tag should not be used to define replaced or deleted text, use the <del> tag to define replaced or deleted text.
The <s> element was deprecated in HTML 4.01, and was used to define strikethrough text.
The <s> element is redefined in HTML5, and is now used to define text that is no longer correct.
The <s> tag also supports the Global Attributes in HTML.
The <s> tag also supports the Event Attributes in HTML.
HTML tutorial: HTML Text Formatting
HTML DOM reference: S Object
Most browsers will display the <s> element with the following default values: