2 files changed, 8 insertions, 0 deletions

diff --git a/README.md b/README.md
index 9f9f52e..1e2eaa6 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,11 @@ cd vyos-integration-test
 ```
 rake spec
 ```
+
+## How it works
+
+![how-it-works](https://raw.githubusercontent.com/higebu/vyos-integration-test/master/how_it_works.png)
+
+## How to add a test case
+
+TODO
diff --git a/how_it_works.png b/how_it_works.png
new file mode 100644
index 0000000..17fe8c3
--- /dev/null
+++ b/how_it_works.png