Update README.md

README.md

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 # Polygon Wind Shader
-Last year I was looking for a wind shader to use on a low poly model. However I couldn't find one that had the visual I was looking for. So I started to develop the Polygon Wind Shader. 
+In 2017 I was looking for a wind shader to use on a low poly tree model. I couldn't find one that provided the visual I was looking for, so I started to develop the Polygon Wind Shader. 
 
-It is designed to simulate a more suttle organic wind movement on trees (not great for heavy wind effects).
-Lately I haven't had much time to work on it, so I decided to publish the source code here and make it available so that anyone can use and modify it.
+It is designed to generate a more suttle and organic wind movement on trees. But it's not great for heavy wind effects.
+**Lately I haven't had much time to work on it, so I decided to publish the source code here and make it available so that anyone can use and modify it.**
 
 Here are some videos of what I achieved using it:
 
@@ -27,5 +27,5 @@ The shader has various parameters for you to tweak:
 
 It uses a series of inputs to calculate the final vertex position, one of them being the vertices colors of the mesh:
 
-  - Red - Use on the branches to make possible the up/down movement;
-  - Blue - Use it on the leaves to get that organic wiggle movement.
+  - Red - Use on the branches to enable the up/down movement;
+  - Blue - Use it on the leaves to get that organic wiggle.