improve readme

README.md

@@ -3,14 +3,17 @@ When you have many bookmarks, you'd better have a good book full of marks.
 
 ![A cat reads Karl Marx](cat.jpeg)
 
-What
-=======
+What: an informal specification
+===================================
 
- - keeps track of bookmarks
- - has the concept of folder well integrated
+Goals:
+ - keep track of bookmarks
+ - have the concept of folder well integrated
+ - make sharing with friends easy with already available technologies
  - supports tags and descriptions, too
  - one file per bookmark
  - CLI-first
+   * but having a GUI would be nice, too
  - python3
 
 
@@ -44,11 +47,13 @@ First line is the URL.
 now we need to store description and tags.
 We want to be grep-friendly, so let's use a format borrowed from email (or from debian/control, if you want!):
 
+```
 URI: https://riseup.net/
 Description: They are nice folks
 Tag: privacy
 Tag: change the world
 Tag: email
+```
 
 Just avoid newlines in fields and you can do good queries just using grep