diff --git a/api/s10_status.py b/api/s10_status.py
index c103635..07d1f50 100644
--- a/api/s10_status.py
+++ b/api/s10_status.py
@@ -69,7 +69,7 @@ def set_status(name: str, cs: ChangeSet) -> ChangeSet:
 
 
 #--------------------------------------------------------------
-# [EPANET2][IN][OUT]
+# [EPA2][EPA3][IN][OUT]
 #    link   value
 #--------------------------------------------------------------
 class InpStatus:
diff --git a/api/s15_energy.py b/api/s15_energy.py
index cb8fab1..8b7551c 100644
--- a/api/s15_energy.py
+++ b/api/s15_energy.py
@@ -132,7 +132,7 @@ def set_pump_energy(name: str, cs: ChangeSet) -> ChangeSet:
 
 
 #--------------------------------------------------------------
-# [EPANET2][IN][OUT]
+# [EPA2][EPA3][IN][OUT]
 #   GLOBAL         {PRICE/PATTERN/EFFIC}  value
 #   PUMP   id      {PRICE/PATTERN/EFFIC}  value
 #   DEMAND CHARGE  value
diff --git a/api/s5_pipes.py b/api/s5_pipes.py
index dd8b954..f7c05b8 100644
--- a/api/s5_pipes.py
+++ b/api/s5_pipes.py
@@ -124,7 +124,7 @@ def delete_pipe(name: str, cs: ChangeSet) -> ChangeSet:
 
 
 #--------------------------------------------------------------
-# [EPANET2]
+# [EPA2][EPA3]
 # [IN]
 #   id  node1  node2  length  diam  rcoeff (lcoeff status) ;desc
 # [OUT]
diff --git a/api/s6_pumps.py b/api/s6_pumps.py
index acef09e..aa2071f 100644
--- a/api/s6_pumps.py
+++ b/api/s6_pumps.py
@@ -115,7 +115,7 @@ def delete_pump(name: str, cs: ChangeSet) -> ChangeSet:
 
 
 #--------------------------------------------------------------
-# [EPANET2][IN][OUT]
+# [EPA2][EPA3][IN][OUT]
 #   id  node1  node2  KEYWORD value {KEYWORD value ...} ;desc
 #   where KEYWORD = [POWER,HEAD,PATTERN,SPEED]
 #--------------------------------------------------------------
diff --git a/api/s7_valves.py b/api/s7_valves.py
index 8eb4fb3..fcd5b72 100644
--- a/api/s7_valves.py
+++ b/api/s7_valves.py
@@ -123,7 +123,7 @@ def delete_valve(name: str, cs: ChangeSet) -> ChangeSet:
 
 
 #--------------------------------------------------------------
-# [EPANET2][IN][OUT]
+# [EPA2][EPA3][IN][OUT]
 #   id  node1  node2  diam  type  setting (lcoeff  lcurve)
 #   for GPV, setting is string = head curve id
 #   [NOT SUPPORT] for PCV, add loss curve if present