Update README.md

README.md

@@ -1,5 +1,5 @@
 # SRay
-SRay is a simple raytracing application based on [Ray Tracing in One Weekend](https://www.amazon.com/Ray-Tracing-Weekend-Minibooks-Book-ebook/dp/B01B5AODD8) book. All code use new C++ 11/14 drafts for memory management whit smart pointers.
+SRay is a simple raytracing application based on [Ray Tracing in One Weekend](https://www.amazon.com/Ray-Tracing-Weekend-Minibooks-Book-ebook/dp/B01B5AODD8) book. All code use new C++ 11/14 drafts for memory management with smart pointers.
 
 ![Image processed with 100 samples](images/goodsample-2.png)
 
@@ -10,4 +10,4 @@ It implements the following features:
 * Dieletric Material
 * Metal Material
 * A movable Camera
-    1. Focus adjustment 
+* Camera Focus adjustment