As admin of the node you can also set this flag directly in the database.
Before doing so, you should be sure you know what you do and have a backup of the database.
+#### Explicit Content
+
+If you are running a node with explicit content, you can announce this with this option.
+When checked an information flag will be set in the published information about your node.
+(Should *Publish Server Information* be enabled.)
+
+Additionally a note will be displayed on the registration page for new users.
+
### Advanced
#### Proxy Configuration Settings