Review titles.

tutorials/hidden_properties.md

@@ -5,6 +5,8 @@ Add Hidden Configuration Options to Mountain Duck and Cyberduck
 For Cyberduck CLI refer to [Preferences](../cli/index.md)
 :::
 
+## Using `default.properties`
+
 There are some settings which aren't yet available in the *Preferences* either because they are not considered stable
 yet or not of general interest. For [Mountain Duck](../mountainduck/index.md) and [Cyberduck](../cyberduck/index.md) you
 can add the property line in the format `property=value` to the `default.properties` file within
@@ -55,7 +57,7 @@ the [application support folder](../cyberduck/support.md#application-support-fol
 
 6. Restart Cyberduck and Mountain Duck.
 
-## Set Hidden Configuration Options Using `Terminal.app`
+## Using `Terminal.app`
 
 :::::{admonition} macOS only
 :class: note