diff --git a/admin/docs/en-us/setup/setup.html b/admin/docs/en-us/setup/setup.html
index c9db2589..d89e51d8 100644
--- a/admin/docs/en-us/setup/setup.html
+++ b/admin/docs/en-us/setup/setup.html
@@ -137,7 +137,8 @@ <h2 id="sql-setup">
 			<code>$databaseCharset</code>
 		</dt>
 		<dd>
-			The character set of the comments being stored in the database.
+			The character set of the comments being stored in the database. Set to
+			<code>utf8mb4</code> when using MySQL or MariaDB (to support emojis).
 		</dd>
 	</dl>