Update files/en-us/web/api/popover_api/using_interest_invokers/index.md

Co-authored-by: Dipika Bhattacharya <[email protected]>

Author: chrisdavidmills

files/en-us/web/api/popover_api/using_interest_invokers/index.md

@@ -56,7 +56,7 @@ if (!supported) {
 ```
 
 ```html live-sample___basic-interest-invoker
-<p>Some text with <a href="#" interestfor="mypopover">a link</a>.</p>
+<p>Some text with a <a href="#" interestfor="mypopover">link</a>.</p>
 <p id="mypopover" popover>A short preview with some quick info</p>
 ```