upd indent txt

docs/readme.md

@@ -60,11 +60,10 @@ File extension - `*.de` (because `de` shorter than `def`).
 [lexer]
 indent_type = 0
 indent_matter = 4
-indent_not_matter = 2
 ```
 this means we have basic indent (Off-side rule) as 4 whitespaces,  
-but we do not got error when next line have 5, 6 or 3, 2 whitespaces -  
-needs to have more that 2 whitespaces for change indent (Off-side rule) for next level.
+so we do not got error when next line have 5, 6 or 3, 2 whitespaces etc -  
+needs to have more (+- 4) whitespaces for change indent (Off-side rule) for next level.
 
 
 ## 2.2 do not use any reserved words (keywords) for function definition (like in Erlang)