diff --git a/README.md b/README.md
index 3df7e9f..53f4159 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,12 @@
 
 - node and npm
 - A [Google API key](https://console.cloud.google.com/) authorized for "Geocoding API".
+- SQLite3
 
 ### Installation
 
     npm install
+	sqlite database.db then CREATE TABLE localization (address TEXT PRIMARY KEY, lat INTEGER NOT NULL, long INTEGER NOT NULL);
 
 ### Start