diff --git a/coordinator/config.lua b/coordinator/config.lua
index 860d297..7ea6ea2 100644
--- a/coordinator/config.lua
+++ b/coordinator/config.lua
@@ -14,7 +14,6 @@ config.API_TIMEOUT = 5
 -- facility authentication key (do NOT use one of your passwords)
 -- this enables verifying that messages are authentic
 -- all devices on the same network must use the same key
--- message authentication codes require computing a hash on each message, so this can slow things down
 -- config.AUTH_KEY = "SCADAfacility123"
 
 -- expected number of reactor units, used only to require that number of unit monitors
diff --git a/pocket/config.lua b/pocket/config.lua
index d7ff5f2..72625f4 100644
--- a/pocket/config.lua
+++ b/pocket/config.lua
@@ -13,7 +13,6 @@ config.COMMS_TIMEOUT = 5
 -- facility authentication key (do NOT use one of your passwords)
 -- this enables verifying that messages are authentic
 -- all devices on the same network must use the same key
--- message authentication codes require computing a hash on each message, so this can slow things down
 -- config.AUTH_KEY = "SCADAfacility123"
 
 -- log path
diff --git a/reactor-plc/config.lua b/reactor-plc/config.lua
index 64eacc4..066ccf6 100644
--- a/reactor-plc/config.lua
+++ b/reactor-plc/config.lua
@@ -20,7 +20,6 @@ config.COMMS_TIMEOUT = 5
 -- facility authentication key (do NOT use one of your passwords)
 -- this enables verifying that messages are authentic
 -- all devices on the same network must use the same key
--- message authentication codes require computing a hash on each message, so this can slow things down
 -- config.AUTH_KEY = "SCADAfacility123"
 
 -- log path
diff --git a/rtu/config.lua b/rtu/config.lua
index 6f5796e..a0d3e68 100644
--- a/rtu/config.lua
+++ b/rtu/config.lua
@@ -13,7 +13,6 @@ config.COMMS_TIMEOUT = 5
 -- facility authentication key (do NOT use one of your passwords)
 -- this enables verifying that messages are authentic
 -- all devices on the same network must use the same key
--- message authentication codes require computing a hash on each message, so this can slow things down
 -- config.AUTH_KEY = "SCADAfacility123"
 
 -- log path
diff --git a/supervisor/config.lua b/supervisor/config.lua
index 8d247e1..2373f0d 100644
--- a/supervisor/config.lua
+++ b/supervisor/config.lua
@@ -20,7 +20,6 @@ config.PKT_TIMEOUT = 5
 -- facility authentication key (do NOT use one of your passwords)
 -- this enables verifying that messages are authentic
 -- all devices on the same network must use the same key
--- message authentication codes require computing a hash on each message, so this can slow things down
 -- config.AUTH_KEY = "SCADAfacility123"
 
 -- expected number of reactors