Update README.md

Author: rupert

README.md

@@ -8,11 +8,8 @@
 pip3 install pyls-black
 ```
 
-`pyls-black` can either format an entire file or just the selected text.
-The code will only be formatted if it is syntactically valid Python.
-Text selections are treated as if they were a separate Python file.
-Note that this means you can't format an indented block of code.
-
-## TODO
-
-* Add support for configuring the line length and fast flag.
+* `pyls-black` can either format an entire file or just the selected text.
+* The code will only be formatted if it is syntactically valid Python.
+* Text selections are treated as if they were a separate Python file.
+  Unfortunately this means you can't format an indented block of code.
+* `pyls-black` will use your project's [pyproject.toml](https://github.com/ambv/black#pyprojecttoml) if it has one.