diff --git a/README.rst b/README.rst
index 910961e..9e933ab 100644
--- a/README.rst
+++ b/README.rst
@@ -6,7 +6,7 @@ Instructions
 
 Repository Structure
 ====================
-The root folder contains a list packages.  Under each package, there is a list
+The root folder contains a list of packages.  Under each package, there is a list
 of ``tsv`` files exported from App Manager and a readme file which describes
 each ``tsv`` files. For example, if ``disable_ads.tsv`` is a file, the readme
 includes a list entry like below::