diff --git a/examples/HC05/HC05.ino b/examples/HC05/HC05.ino
index 2d5021e4..26f817e7 100644
--- a/examples/HC05/HC05.ino
+++ b/examples/HC05/HC05.ino
@@ -15,7 +15,8 @@ HC05 bluetooth = Kite.ModuleA;
 void setup() {
   Serial.begin(9600);
 
-  // initialize HC05 with baudrate 9600 baud
+  // initialize HC05
+  // baudrate:  9600 baud
   bluetooth.begin(9600);
 }
 
diff --git a/src/modules/HC05.h b/src/modules/HC05.h
index 5bb2b4b1..0459d934 100644
--- a/src/modules/HC05.h
+++ b/src/modules/HC05.h
@@ -5,8 +5,10 @@
 
 class HC05: public ISerial {
   public:
+    // constructor
     HC05(Module* module);
     
+    // basic methods
     void begin(long speed);
 };