diff --git a/pages/tools.obsidian.md b/pages/tools.obsidian.md
index bbef2fe..9319c74 100644
--- a/pages/tools.obsidian.md
+++ b/pages/tools.obsidian.md
@@ -2,6 +2,7 @@
 
 
 # obsidian
+
 _marketeering message_
 >A second brain,
 for you, forever.
@@ -9,10 +10,14 @@ for you, forever.
 a local folder of plain text Markdown files.
 
 
-## 101
+## tl;dr
 
 All platforms (android too) friendly notetaking app.
 
+- filebased
+- markdown
+
+## 102
 ### Links
 - [Free Course for Beginners | Obsidian Note-Taking App](https://www.youtube.com/playlist?list=PL3NaIVgSlAVLHty1-NuvPa9V0b0UwbzBd) #video
 - https://www.youtube.com/watch?v=bM2PlwgPuIA