diff --git a/src/aiida/storage/sqlite_dos/backend.py b/src/aiida/storage/sqlite_dos/backend.py
index b4b3638a12..3b13764b3d 100644
--- a/src/aiida/storage/sqlite_dos/backend.py
+++ b/src/aiida/storage/sqlite_dos/backend.py
@@ -95,7 +95,7 @@ def initialise_database(self) -> None:
 class SqliteDosStorage(PsqlDosBackend):
     """A lightweight storage that is easy to install.
 
-    This backend implementation uses an SQLite database and the a disk-objectstore container as the file repository. As
+    This backend implementation uses an SQLite database and a disk-objectstore container as the file repository. As
     such, this storage plugin does not require any services, making it easy to install and use on most systems.
     """