diff --git a/const.hpp b/const.hpp
index ac8dafe..40ffc62 100644
--- a/const.hpp
+++ b/const.hpp
@@ -47,8 +47,8 @@
 constexpr uint8_t EXP_LOCATIN_CODE_MIN_LENGTH = 17;
 static constexpr auto SE_KWD_LENGTH = 7;
 static constexpr auto INVALID_NODE_NUMBER = -1;
-static constexpr auto SYSTEM_2U = "50001001";
-static constexpr auto SYSTEM_4U = "50001000";
+static constexpr auto RAINIER_2U = "50001001";
+static constexpr auto RAINIER_4U = "50001000";
 
 constexpr uint8_t KW_VPD_START_TAG = 0x82;
 constexpr uint8_t KW_VPD_END_TAG = 0x78;