Update documentation

Author: imed-ghomari

docs/docs/features/Sources.md

@@ -8,6 +8,11 @@ Just like dataview, you can use multiple sources for your data :
 4. **Outgoing_link**: this will match all files that have links from the select file ;
 5. **Dataview**: you can put your dataview query (DQL) without the first line `TABLE columns` as the plugin will autocomplete this part. For example : `FROM "folder" WHERE column = "something" SORT column ASC`. Use this source if you want to combine multiple tags, links, or folders.
 
-## Destination Folder
+## Destination Folders
 
-If you right-clicked a folder or selected **current folder** as the source, the folder is used for storing the database and the new notes. But if you select any other source, you'll have to select where to store the new notes and where to store the database.
+There are two types of destinations : 
+
+1. Where you will store the database file ;
+2. Where you will store the notes of the database.
+
+If you chose `tag/incoming_link/outgoing_link/dataview` as the source, you'll have to choose both types of destinations. But if you right-clicked a folder or selected `current_folder` as the source, everything is stored under one folder, so you'll only choose once.