diff --git a/test/README.markdown b/test/README.markdown
index 8938394..2be0c37 100644
--- a/test/README.markdown
+++ b/test/README.markdown
@@ -4,7 +4,7 @@
 
 ```sh
 $ cd test
-$ ./test.sh
+$ ./test
 ```
 
 ### Add a new test
diff --git a/test/test.sh b/test/test
similarity index 97%
rename from test/test.sh
rename to test/test
index 6fbb04a..b08f87c 100755
--- a/test/test.sh
+++ b/test/test
@@ -31,7 +31,7 @@ done
 # Clean up.
 git reset HEAD fixture.txt > /dev/null
 git checkout fixture.txt
-rm -f *.actual
+# rm -f *.actual
 
 # Print results.
 echo