diff --git a/README.md b/README.md
index 192bca1..19c95dd 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,5 @@
 Usage: `<executable> <filename>`
 
 Words from the given file will be used as the words to type within the program.
+
+Note that this program expects `dvorak_keyboard.png` to be in the working directory.
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