diff --git a/doc/doc-test.txt b/doc/doc-test.txt
index aa53f31..b880012 100644
--- a/doc/doc-test.txt
+++ b/doc/doc-test.txt
@@ -1,2 +1,2 @@
 this is a testing file in doc folder.
-this is another branch.
\ No newline at end of file
+this is another branch.in main branch
\ No newline at end of file