Update readme's

Author: r57zone

README.md

@@ -1,7 +1,7 @@
 [![RU](https://user-images.githubusercontent.com/9499881/27683795-5b0fbac6-5cd8-11e7-929c-057833e01fb1.png)](https://github.com/r57zone/ProtonShell/blob/master/README.md) 
 [![EN](https://user-images.githubusercontent.com/9499881/33184537-7be87e86-d096-11e7-89bb-f3286f752bc6.png)](https://github.com/r57zone/ProtonShell/blob/master/README.EN.md) 
 # ProtonShell
-Lightweight shell for simple JS applications, working on the basis of the Microsoft Edge system browser.
+Lightweight shell for simple JS applications, based on Microsoft Edge system browser.
 
 ## Screenshots
 ![](https://user-images.githubusercontent.com/9499881/143234939-85b0364c-e7e6-4940-965e-f6490017b065.png)