Correct typo

PR-URL: #787
Credit: @
Close: #787
Reviewed-by: @darcy Clarke

docs/content/using-npm/disputes.md

@@ -105,7 +105,7 @@ If you see bad behavior like this, please report it to <abuse@npmjs.com> right
 away. **You are never expected to resolve abusive behavior on your own. We are
 here to help.**
 
-### Trademarkss
+### Trademarks
 
 If you think another npm publisher is infringing your trademark, such as by
 using a confusingly similar package name, email <abuse@npmjs.com> with a link to