diff --git a/core/include/msg.h b/core/include/msg.h
index 9916c29cea..b44ee72cd8 100644
--- a/core/include/msg.h
+++ b/core/include/msg.h
@@ -60,7 +60,7 @@ typedef struct msg {
 
 
 /**
- * @brief Send a message. (blocking)
+ * @brief Send a message (blocking).
  *
  * This function sends a message to another thread. The ``msg_t`` structure has
  * to be allocated (e.g. on the stack) before calling the function and can be
@@ -81,7 +81,7 @@ int msg_send(msg_t *m, kernel_pid_t target_pid);
 
 
 /**
- * @brief Send a message. (non-blocking)
+ * @brief Send a message (non-blocking).
  *
  * This function sends a message to another thread. The ``msg_t`` structure has
  * to be allocated (e.g. on the stack) before calling the function and can be
diff --git a/examples/default/main.c b/examples/default/main.c
index 87f5375082..0829513c4b 100644
--- a/examples/default/main.c
+++ b/examples/default/main.c
@@ -49,7 +49,7 @@
 
 #define SND_BUFFER_SIZE     (100)
 #define RCV_BUFFER_SIZE     (64)
-#define RADIO_STACK_SIZE    (KERNEL_CONF_STACKSIZE_DEFAULT)
+#define RADIO_STACK_SIZE    (KERNEL_CONF_STACKSIZE_MAIN)
 
 #ifdef MODULE_TRANSCEIVER
 
@@ -111,7 +111,7 @@ void *radio(void *arg)
             puts("Transceiver buffer full");
         }
         else {
-            puts("Unknown packet received");
+            puts("Unknown message received");
         }
     }
 }
diff --git a/sys/include/vtimer.h b/sys/include/vtimer.h
index 1eb787db46..236638ab57 100644
--- a/sys/include/vtimer.h
+++ b/sys/include/vtimer.h
@@ -100,7 +100,7 @@ int vtimer_usleep(uint32_t us);
 int vtimer_sleep(timex_t time);
 
 /**
- * @brief   set a vtimer with msg event handler of type @ref MSG_TIMER
+ * @brief   set a vtimer with msg event handler of the specified type
  * @param[in]   t           pointer to preinitialised vtimer_t
  * @param[in]   interval    vtimer timex_t interval
  * @param[in]   pid         process id