Update ext/mysqli/tests/mysqli_thread_id.phpt

Co-authored-by: Jan Rosier <rosier@interstroom.nl>

Author: kamil-tekiela

ext/mysqli/tests/mysqli_thread_id.phpt

@@ -21,7 +21,7 @@ require_once 'skipifconnectfailure.inc';
 
     // should work if the thread id is correct
     $link->real_query('KILL '.mysqli_thread_id($link));
-    // We kill out own connecton so we should get "Query execution was interrupted"
+    // We kill our own connection so we should get "Query execution was interrupted"
 	if ($link->errno !== 1317)
 		printf("[042] [%d] %s\n", mysqli_errno($link), mysqli_error($link));