fix integration tests README.md
@@ -49,8 +49,7 @@ $ ./install.sh /usr/local
## Writing integration tests
-[helper functions]
-(https://github.com/opencontainers/runc/blob/master/tests/integration/helpers.bash)
+[helper functions](https://github.com/opencontainers/runc/blob/master/tests/integration/helpers.bash)
are provided in order to facilitate writing tests.
```sh
