fix typo

Author: Nasko-5

README.md

@@ -19,7 +19,7 @@ Made with [Raylib-CsLo](https://github.com/NotNotTech/Raylib-CsLo)
 - **Hold Middle-click** in empty space and move the mouse to pan around the simulation.
 
 ## Installation
-Make sure you have at the [.NET 6 Runtime](https://dotnet.microsoft.com/en-us/download/dotnet/6.0) installed!
+Make sure you have the [.NET 6 Runtime](https://dotnet.microsoft.com/en-us/download/dotnet/6.0) installed!
 1. Go to the latest release on the [releases page](https://github.com/Nasko-5/csElectricFieldSimulator/releases), and download the file corresponding to your operating system
 3. Extract the contents of the `.zip` into a folder
 4. Run the csElectricFieldSimulator executable