fix documentation to remove unimplemented feature

Author: kaymmm

README.md

@@ -134,26 +134,19 @@ let g:bullets_outline_levels = ['num', 'abc', 'std*']
 " 2. second parent [ <cr><C-d> ]
 ```
 
-Enable/disable automatically renumbering the current ordered bullet list when adding/changing bullets:
+Enable/disable automatically renumbering the current ordered bullet list when changing the indent level of bullets:
 
 ```vim
 let g:bullets_renumber_on_change = 1 " default = 1
-" Example 1:
-" 1. first existing bullet
-" 2. second existing bullet [ hit <cr> ]
-" 3. new bullet [ add this new bullet ]
-" 4. third existing bullet [ this got renumbered 3 -> 4 ]
-"
-" Example 2:
+" Example:
 " 1. first existing bullet
 "   a. second existing bullet [ hit <C-t> ]
 " 2. third existing bullet [ this got renumbered 3 -> 2 when bullet 2 got demoted ]
 
 let g:bullets_renumber_on_change = 0
 " Example:
 " 1. first existing bullet
-" 2. second existing bullet [ hit <cr> ]
-" 3. new bullet [ add this new bullet ]
+"   a. second existing bullet [ hit <C-t> ]
 " 3. third existing bullet [ no renumbering so this bullet remained `3` ]
 ```