diff --git a/tests/spx_auth_ip_subnet_ok.phpt b/tests/spx_auth_ip_subnet_ok.phpt
index 7bbf297..59f4ce7 100644
--- a/tests/spx_auth_ip_subnet_ok.phpt
+++ b/tests/spx_auth_ip_subnet_ok.phpt
@@ -23,7 +23,7 @@ echo 'Normal output';
 {"key": "wt","short_name": "Wall time","name": "Wall time","type": "time","releasable": 0}
 ,{"key": "ct","short_name": "CPU time","name": "CPU time","type": "time","releasable": 0}
 ,{"key": "it","short_name": "Idle time","name": "Idle time","type": "time","releasable": 0}
-,{"key": "zm","short_name": "ZE memory usage","name": "Zend Engine memory usage","type": "memory","releasable": 1}
+,{"key": "zm","short_name": "Memory usage","name": "Zend Engine memory usage","type": "memory","releasable": 1}
 ,{"key": "zmac","short_name": "ZE alloc count","name": "Zend Engine allocation count","type": "quantity","releasable": 0}
 ,{"key": "zmab","short_name": "ZE alloc bytes","name": "Zend Engine allocated bytes","type": "memory","releasable": 0}
 ,{"key": "zmfc","short_name": "ZE free count","name": "Zend Engine free count","type": "quantity","releasable": 0}