diff --git a/tempest/api/compute/servers/test_servers_negative.py b/tempest/api/compute/servers/test_servers_negative.py
index f66bc72..2b4cee7 100644
--- a/tempest/api/compute/servers/test_servers_negative.py
+++ b/tempest/api/compute/servers/test_servers_negative.py
@@ -209,7 +209,7 @@
     @test.attr(type=['negative'])
     @test.idempotent_id('c3e0fb12-07fc-4d76-a22e-37409887afe8')
     def test_create_server_name_length_exceeds_256(self):
-        # Create a server with name length exceeding 256 characters
+        # Create a server with name length exceeding 255 characters
 
         server_name = 'a' * 256
         self.assertRaises(lib_exc.BadRequest,