diff --git a/docs/quickstart.rst b/docs/quickstart.rst
index e27ba19..e52ee20 100644
--- a/docs/quickstart.rst
+++ b/docs/quickstart.rst
@@ -21,7 +21,7 @@ Then, add the extension name to ``extensions`` configuration item in your conf.p
 
    extensions = [
              # …
-             'sphinxnotes-isso',
+             'sphinxnotes.isso',
              # …
              ]