fix default_visibility subpackages example

has typo

Bug: N/A
Test: N/A
Change-Id: Id56183a6a12518e11593fb226195ee2ac8d4faea

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 7f1846351..85e24c6e3 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ the same `.bp` file as the `package` module) to be visible to all the subpackage
 
 ```
 package {
-    default_visibility: [":__subpackages"]
+    default_visibility: [":__subpackages__"]
 }
 ```