diff --git a/Cloning notes.md b/Cloning-notes.md
similarity index 97%
rename from Cloning notes.md
rename to Cloning-notes.md
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--- a/Cloning notes.md	
+++ b/Cloning-notes.md
@@ -51,6 +51,8 @@ When you click on the clone, you can also see in the bottom of the left pane lis
 
 ## Prefix
 
+**Note that this is experimental feature and might be removed in the future.**
+
 Since notes can be categorized into multiple places, it's important to choose name which fits into both (all) locations. 
 In some cases this isn't possible so Trilium provides "tree prefix" which is shown before the note name in the tree and as such provides kind of context. 
 Prefix is location specific so it's displayed only in the tree pane.