Update README.md

Author: ray-cast

README.md

@@ -4,7 +4,7 @@ Hatching is an easy to use rendering plugin for MikuMikuDance, Add image effect
 
 Screenhots
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-[![link text](./Shader/screenshots/preview.jpg)](https://raw.githubusercontent.com/MikuMikuShaders/Hatching/master/Shader/Screenshots/preview.jpg)
+[![link text](./Shader/Screenshots/preview.jpg)](https://raw.githubusercontent.com/MikuMikuShaders/Hatching/master/Shader/Screenshots/preview.jpg)
 
 Requirements:
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