Edit test.txt

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I206dcef41d2dc5a87e30f620d06f143048f7afff
diff --git a/test.txt b/test.txt
index 54fc7b1..835e3f3 100644
--- a/test.txt
+++ b/test.txt
@@ -7,3 +7,5 @@
 Update master branch
 
 This is patch 3
+
+This is a patch for the master branch