Improve README

- Fix typos
- Reword drop of red payment slip support
- Link to background story section
- Add note about showcasing examples

README.md

@@ -12,9 +12,9 @@ Do you need to create Swiss payment slips (called ES or ESR) as PDF files in a p
 Then you found almost the right place, go to [SwissPaymentSlipFpdf](https://github.com/ravage84/SwissPaymentSlipFpdf)
 or [SwissPaymentSlipTcpdf](https://github.com/ravage84/SwissPaymentSlipTcpdf).
 
-If you need to include some basic logic for Swiss payment slips iny our PHP code base then you are probably right though...
+If you need to include some basic logic for Swiss payment slips in your PHP code base then you are probably right though...
 
-THE RED PAYMENT SLIP SUPPORT IS DROPPED
+The partial and unfinished support for the red payment slip was dropped in version 0.13.0 due to lack of demand. 
 
 How to use
 ----------
@@ -59,14 +59,11 @@ Now I had to decide whether I want to "just" change the script to fit my needs o
 make it as flexible as possible.
 I decided myself for the latter.
 
-In Januar 2018 planned support for the red payment slip was dropped because of the vanishing interest.
-
 TODOs
 -----
 
-- Finish support for red inpayment slips
 - Improve code documentation
-- Add more examples/improve existing ones
+- Add more examples/improve existing ones, showcase disabling the various field blocks better
 - Improve the tests
 - Release the stable release of the API
 
@@ -79,7 +76,7 @@ Author
 ------
 
 This project was created by [Marc Würth](https://github.com/ravage84).
-See Background Story for more details.
+See [Background Story](#background-story) for more details.
 
 License
 -------