diff --git a/docs/sources/examples/postgresql_service.rst b/docs/sources/examples/postgresql_service.rst
index 2df02b40c5..ba6bb4fe4e 100644
--- a/docs/sources/examples/postgresql_service.rst
+++ b/docs/sources/examples/postgresql_service.rst
@@ -39,7 +39,7 @@ Update its dependencies.
 
     apt-get update
 
-Install ``python-software-properies``.
+Install ``python-software-properties``.
 
 .. code-block:: bash