Missing closing forward slash

Here is how it the paragraph should look:

This is an example of a missing forward slash ("/"); the text following the closing tag remains bolded. The behavior will vary depending on the browser. Using some browsers, the entire page following it will be bolded. Using others, only the text between it and the next matching closing tag (</STRONG>) will be bolded. Text following it may or may not appear normal.

Here is the error, and how it affects a page:

<STRONG>This is an example of a missing forward slash ("/")<STRONG>; the text

This is an example of a missing forward slash ("/"); the text following the closing tag remains bolded. The behavior will vary depending on the browser. Using some browsers, the entire page following it will be bolded. Using others, only the text between it and the next matching closing tag (</STRONG>) will be bolded. Text following it may or may not appear normal. [an error occurred while processing this directive]