Add note on truncation

content/components/tree-view.mdx

@@ -43,7 +43,7 @@ Node labels should be a succinct title for whatever entity the node represents.
 
 By default, labels are truncated to a single line. However, node labels may be wrapped to multiple lines in cases where the entire label must always be visible.
 
-When a node's text is truncated, it should still be accessible to users via a browser-native tooltip.
+When a node's text is truncated, it should still be accessible to users in some fashion. Truncation is only accessibly acceptable if there is some way for the user to see the non-truncated text.
 
 <Box display="flex" flexDirection={['column', 'column', 'column', 'column', 'row']} sx={{gap: 3}}>
   <Box as="figure" role="presentation" m={0}>