Update readme

Author: Marek Dorda

README.md

@@ -43,7 +43,7 @@ Obtain your [Windy API key here](https://api4.windy.com/api-key/) and check out
 Windy API is free and with unrestricted traffic usage, but offers only the `gfs` forecast model and only `wind`,`rain`,`clouds`, `temperature`, `pressure`,`currents` and `waves` layer. The Windy logo MUST remain as it is, i.e. clickable and without modification. However, you can move the Windy logo wherever you want within the Windy map. For the free version of the API, we reserve the right to 1) display advertisement inside the Windy map, 2) place "Download Windy App" message from time to time on mobile devices, or 3) discontinue free version of Windy API v4 at any time without prior notice
 
 ### Paid version
-For serious work, we recommend to use the paid version that contains `iconEu`, `nam` and `gfs` models and the most of all `layers` and also `isolines`. Paid version  will also not contain our advertisement. It costs only 720USD per year (ordered via [this form](https://pipedrivewebforms.com/form/29db1a578673fdebbafc5c5c5816e1eb5803983) and paid annually via invoice). Developers of paid version can decrease opacity of Windy logo to 0.8 (however logo must remain clickable) and usage limit is average of 5.000 Unique Visitors a day (measured by Google Analytics). For permission to a higher quota, please contact us.
+For serious work, we recommend to use the paid version that contains `iconEu`, `nam` and `gfs` models and the most of all `layers` and also `isolines`. For less than 5000 daily requests there is no advertising in paid version - if you exceed 5000 requests in a day, advertising will be displayed. It costs only 720USD per year (ordered via [this form](https://pipedrivewebforms.com/form/29db1a578673fdebbafc5c5c5816e1eb5803983) and paid annually via invoice). Developers of paid version can decrease opacity of Windy logo to 0.8 (however logo must remain clickable) and usage limit is average of 5.000 Unique Visitors a day (measured by Google Analytics). For permission to a higher quota, please contact us.
 
 We are not allowed to provide ECMWF data to third parties, and therefore we cannot provide layers based on this data model (`thunder`, `deg0`, `cloudtop`, `cbase`, `visibility`, `swell3`, `snowcover`, `ozone`, `sst` and `cape`). Please note that some layers are based on multiple forecast models. Such layers are available, however, without ECMWF forecasts (for example: `waves`, `wind waves` or `swell` where the **Wavewatch 3** model does not cover the Mediterranean Sea and other areas). We also cannot provide you with the `radar` layer. Everything else is included in the paid version. Please check the map for yourself at [Windy.com](https://www.windy.com/) and see if it meets your expectations.