docs: fixed typo error.

Change-Id: Ic3ec1bfb150ec932e05ba5eda43537784f1fdcda
diff --git a/docs/manifest-format.md b/docs/manifest-format.md
index c85726b..d776a81 100644
--- a/docs/manifest-format.md
+++ b/docs/manifest-format.md
@@ -66,7 +66,7 @@
   
   
   
-  
+