diff --git a/README.md b/README.md
index 2026f1e..1ee755e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,3 @@
 Hello, World!
 Adding more content.
+Changes in dev branch.
diff --git a/dev.txt b/dev.txt
new file mode 100644
index 0000000..e69de29