Update README.md

Author: jcant0n

README.md

@@ -11,7 +11,7 @@ https://github.com/KhronosGroup/Vulkan-Docs/blob/main/xml/vk.xml.
 
 - Vulkan 1.0, 1.1, 1.2, 1.3
 - All Vulkan Extensions as Vulkan RayTracing
-- Raw low level binding using usafe c# code.
+- Raw low level binding using unsafe c# code.
 
 ## Draw Triangle Rasterization
 Test based on https://vulkan-tutorial.com/