diff --git a/README.md b/README.md
index 5d7860f..9531af8 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Make sure to include these when building the program.
 ### Target image
 
 ![target](./img/target.png)
-<br>Photo of a marble fox I found on Google :)
+<br>Photo of a marble fox I found on Google, made grayscale and shrunk down to 256x256
 
 ### Screenshot of the .obj file / lens shape generated by Kassubeck at al.'s code