diff --git a/README.md b/README.md
index 747cd0b..eb35730 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Rust parser/writer for the Dalvik executable format.
 
 To test the library, I ripped the `classes.dex` file from YouTube's APK.
 I'm obviously not going to include it in the repository, so you'll have to get it yourself from APKMirror.
+Using the YouTube APK is not required, you can use any APK you want if you wish to do so.
 
 Once you have it placed in the [`tests`](./tests/) directory, you can run the tests with: