diff --git a/README.md b/README.md
index 7005f330..11feeffc 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ In order to build the tutorial, you will first need to install [asciidoctor](htt
 
 Run `make` to produce `build/tutorial.html` and its dependencies: especially, `build/exercises/*.c` and `build/solutions/*c`.
 
-Run `./check.sh` to check that all examples have working solutions (except tests with names `*.error.c`, which are expected to fail). Note that this step will not work until after you have installed CN, which is the first part of the tutorial.
+Run `./check.sh` to check that all examples have working solutions (except tests with names `*.broken.c`, which are expected to fail). Note that this step will not work until after you have installed CN, which is the first part of the tutorial.
 
 ## CN Example Archive