diff --git a/docs/advanced.md b/docs/advanced.md
index 2a6fd6b4..46059925 100644
--- a/docs/advanced.md
+++ b/docs/advanced.md
@@ -77,6 +77,8 @@ separate `plist` file. So your `.jrnl_config` should look like this:
 }
 ```
 
+**Note**: At present, only *Dayone Classic* (i.e. version 1) is supported.
+
 ## Multiple journal files
 
 You can configure `jrnl`to use with multiple journals (eg.