[MySQL] key_buffer_size it is

data/conf/mysql/my.cnf

@@ -10,7 +10,7 @@ max_allowed_packet      = 192M
 max-connections         = 500
 innodb-strict-mode      = 0
 innodb_buffer_pool_size = 128M
-key_buffer              = 24M
+key_buffer_size         = 24M
 thread_cache_size       = 8
 query_cache_type        = 0
 query_cache_size        = 0