diff --git a/manila_tempest_tests/tests/api/test_shares.py b/manila_tempest_tests/tests/api/test_shares.py
index 7f8ae9f..46d1558 100644
--- a/manila_tempest_tests/tests/api/test_shares.py
+++ b/manila_tempest_tests/tests/api/test_shares.py
@@ -168,7 +168,7 @@
             "actual_sn": get["share_network_id"],
             "expected_sn": parent["share_network_id"],
         }
-        msg = ("Expected share_network_id %(expected_sn)s for"
+        msg = ("Expected share_network_id %(expected_sn)s for "
                "share %(share)s, but %(actual_sn)s found." % keys)
         self.assertEqual(
             get["share_network_id"], parent["share_network_id"], msg)