Update README.md

Author: lmangani

README.md

@@ -11,7 +11,6 @@
 
 - experimental, unstable, subject to changes
 - requires [`libchdb`](https://github.com/metrico/libchdb) on the system
-
 - :wave: _C/Node developer? Jump in and help us evolve this prototype into a stable module!_
 
 <br>
@@ -50,7 +49,7 @@ var result =  = chdb.Session("SELECT hello();")
 console.log(result) // chDB
 ```
 
-Sessions persist table data to disk. You can specify `path` to implement auto-cleanup strategies:
+⚠️ Sessions persist table data to disk. You can specify `path` to implement auto-cleanup strategies:
 ```javascript
 const temperment = require('temperment');
 const tmp = temperment.directory();
@@ -60,8 +59,4 @@ console.log(result) // chDB
 tmp.cleanup.sync();
 ```
 
-⚠️ _Session folders are persistent and NOT automatically cleaned_
-
 <br>
-
-