diff --git a/a.txt b/a.txt
index 7a754f414cd8ac6c069ac2e25baff0f55bff8b4a..541e51d4221e2f94e9d3aef9c2374a32e7d1194a 100644
--- a/a.txt
+++ b/a.txt
@@ -1,2 +1,4 @@
 1
-2
\ No newline at end of file
+2
+
+hello world
\ No newline at end of file