diff --git a/srsepc/src/hss/hss.cc b/srsepc/src/hss/hss.cc
index 355f4b444..c6da19a45 100644
--- a/srsepc/src/hss/hss.cc
+++ b/srsepc/src/hss/hss.cc
@@ -198,12 +198,12 @@ bool hss::write_db_file(std::string db_filename)
   // Write comment info
   m_db_file << "#                                                                                           \n"
             << "# .csv to store UE's information in HSS                                                     \n"
-            << "# Kept in the following format: \"Name,Auth,IMSI,Key,OP_Type,OP,AMF,SQN,QCI,IP_alloc\"      \n"
+            << "# Kept in the following format: \"Name,Auth,IMSI,Key,OP_Type,OP/OPc,AMF,SQN,QCI,IP_alloc\"  \n"
             << "#                                                                                           \n"
             << "# Name:     Human readable name to help distinguish UE's. Ignored by the HSS                \n"
-            << "# IMSI:     UE's IMSI value                                                                 \n"
             << "# Auth:     Authentication algorithm used by the UE. Valid algorithms are XOR               \n"
             << "#           (xor) and MILENAGE (mil)                                                        \n"
+            << "# IMSI:     UE's IMSI value                                                                 \n"
             << "# Key:      UE's key, where other keys are derived from. Stored in hexadecimal              \n"
             << "# OP_Type:  Operator's code type, either OP or OPc                                          \n"
             << "# OP/OPc:   Operator Code/Cyphered Operator Code, stored in hexadecimal                     \n"
diff --git a/srsepc/user_db.csv.example b/srsepc/user_db.csv.example
index c5e60a04c..d7be0a9a2 100644
--- a/srsepc/user_db.csv.example
+++ b/srsepc/user_db.csv.example
@@ -1,11 +1,11 @@
 #
 # .csv to store UE's information in HSS
-# Kept in the following format: "Name,Auth,IMSI,Key,OP_Type,OP,AMF,SQN,QCI,IP_alloc"
+# Kept in the following format: "Name,Auth,IMSI,Key,OP_Type,OP/OPc,AMF,SQN,QCI,IP_alloc"
 #
 # Name:     Human readable name to help distinguish UE's. Ignored by the HSS
-# IMSI:     UE's IMSI value
 # Auth:     Authentication algorithm used by the UE. Valid algorithms are XOR
 #           (xor) and MILENAGE (mil)
+# IMSI:     UE's IMSI value
 # Key:      UE's key, where other keys are derived from. Stored in hexadecimal
 # OP_Type:  Operator's code type, either OP or OPc
 # OP/OPc:   Operator Code/Cyphered Operator Code, stored in hexadecimal