diff --git a/book/src/tutorial/cli/image-filters.md b/book/src/tutorial/cli/image-filters.md
index 9046b0e..cf7016b 100644
--- a/book/src/tutorial/cli/image-filters.md
+++ b/book/src/tutorial/cli/image-filters.md
@@ -94,7 +94,7 @@ called `Result::unwrap()` on an `Err` value: IoError(Os { code: 2, kind: NotFoun
 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
 ```
 
-Expected output when you pass the file actually exists.
+Expected output when you pass a file that exists.
 
 ```console
 $ cargo run -- kongelige-slott.jpg 1977