Add back the "s" in licenses

Author: Steve0Greatness

index.html

@@ -101,7 +101,7 @@ <h1>PenguinMod Object Libraries</h1>
 		<p>This site contains all PenguinMod sounds, costumes or other items that are added to the library.</p>
 		<p>To add an item to one of these libraries, feel free to contribute to the <a href="https://github.com/PenguinMod/PenguinMod-ObjectLibraries">GitHub repository.</a></p>
 		<br>
-		<p><b>Note: All new sounds & costumes MUST be Public Domain (creative commons 0 or other public domain-equivalent license) or MIT licensed. There are no exceptions.</b></p>
+		<p><b>Note: All new sounds & costumes MUST be Public Domain (creative commons 0 or other public domain-equivalent licenses) or MIT licensed. There are no exceptions.</b></p>
 		<p>If you make the content yourself and upload it here, note that your content can be used, sold and modified without your permission required or credits required.</p>
 		<br>
 		<p>Please check your sources to confirm the content is allowed on PenguinMod. For example, PenguinMod gets sounds from <a href="https://freesound.org">freesound.org</a> under the Creative Commons 0 License.</p>