diff --git a/src/modbusrtu.cpp b/src/modbusrtu.cpp
index bcbfd53..69aa03e 100644
--- a/src/modbusrtu.cpp
+++ b/src/modbusrtu.cpp
@@ -49,7 +49,7 @@ bool ModbusRtu::Connect()
     l_tty.c_cflag |= CREAD | CLOCAL;            // Turn on READ & ignore ctrl lines (CLOCAL = 1)
 
     /* local modes */
-    l_tty.c_lflag &= ~ICANON;                   // ..... Yes..
+    l_tty.c_lflag &= ~ICANON;                   // Something, something CANONICAL.. Something, something Dark Side....
     l_tty.c_lflag &= ~ECHO;                     // Disable echo
     l_tty.c_lflag &= ~ECHOE;                    // Disable Erasure
     l_tty.c_lflag &= ~ECHONL;                   // Diasble new-line echo
diff --git a/src/modbusrtu.h b/src/modbusrtu.h
index e7b4263..00cfc6c 100644
--- a/src/modbusrtu.h
+++ b/src/modbusrtu.h
@@ -15,7 +15,7 @@ namespace modbus {
 class ModbusRtu : public ModbusBase
 {
 public:
-    ModbusRtu( const ConnectionConfig &conf );
+    explicit ModbusRtu( const ConnectionConfig &conf );
     virtual ~ModbusRtu() {}
 
     virtual bool Connect() override;