Update index.md

Author: icfung828

faq/index.md

@@ -277,7 +277,7 @@ description: Dynamic Web TWAIN SDK Documentation FAQ
 
 <a href="{{site.faq}}content-security-policy-violated.html" target="_blank">Dynamic Web TWAIN – Content-Security-Policy violated</a>
 
-<a href="{{site.faq}}service-installation-issue.html" target="_blank">Dynamsoft Service installation and uninstalltion issue</a>
+<a href="{{site.faq}}service-installation-issue.html" target="_blank">Dynamsoft Service installation and uninstallation issue</a>
 
 <a href="{{site.faq}}service-backward-compatibility.html" target="_blank">Can I use two different websites integrated with two different versions of Dynamic Web TWAIN on the same computer?</a>