1 files changed, 8 insertions, 0 deletions
diff --git a/README.md b/README.md
index 3d63946..6799aaa 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,14 @@ Before you can make search, you must lauch the search server
 searchd -c sphinx_search.conf
 ```
 
+# Updating
+
+For update the database and only crawl url that are one week old and and his
+content modified, you can use:
+```
+python app.py update
+```
+
 ## Enjoy
 
 You can now launch the server!