diff --git a/server/include/node.h b/server/include/node.h
index 3fb94a8da..a2e5dbf5e 100644
--- a/server/include/node.h
+++ b/server/include/node.h
@@ -53,10 +53,10 @@ extern struct list node_types;
  * @todo Add comments
  */
 struct node_type {
-	/** The unique name of this node. This must be the first member! */
+	/** The unique name of this node. This must be allways the first member! */
 	char *name;
 	
-	/** Node type: layer, protocol, listen/connect */
+	/** Node type */
 	enum {
 		BSD_SOCKET,		/**< BSD Socket API */
 		LOG_FILE,		/**< File IO */
@@ -65,7 +65,7 @@ struct node_type {
 		NGSI			/**< NGSI 9/10 HTTP RESTful API (FIRWARE ContextBroker) */
 	} type;
 
-	/** Parse node connection details for SOCKET type
+	/** Parse node connection details.‚
 	 *
 	 * @param cfg	A libconfig object pointing to the node.
 	 * @param n	A pointer to the node structure which should be parsed.
@@ -81,7 +81,7 @@ struct node_type {
 	 */
 	char * (*print)(struct node *n);
 
-	/** Create new socket and connect(), bind(), accept().
+	/** Opens the connection to this node.
 	 *
 	 * @param n	A pointer to the node.
 	 * @retval 0	Success. Everything went well.
@@ -89,7 +89,7 @@ struct node_type {
 	 */
 	int (*open) (struct node *n);
 
-	/** Close the socket.
+	/** Close the connection to this node.
 	 *
 	 * @param n	A pointer to the node.
 	 * @retval 0	Success. Everything went well.
@@ -97,12 +97,13 @@ struct node_type {
 	 */
 	int (*close)(struct node *n);
 
-	/** Receive multiple messages from single datagram / packet.
+	/** Receive multiple messages at once.
 	 *
 	 * Messages are received with a single recvmsg() syscall by
 	 * using gathering techniques (struct iovec).
 	 * The messages will be stored in a circular buffer / array @p m.
 	 * Indexes used to address @p m will wrap around after len messages.
+	 * Some node types might only support to receive one message at a time.
 	 *
 	 * @param n 		A pointer to the node where the messages should be sent to.
 	 * @param pool 		A pointer to an array of messages which should be sent.
diff --git a/server/include/path.h b/server/include/path.h
index bf9e918d2..519832040 100644
--- a/server/include/path.h
+++ b/server/include/path.h
@@ -132,7 +132,6 @@ int path_reset(struct path *p);
  */
 void path_print_stats(struct path *p);
 
-
 /** Fills the provided buffer with a string representation of the path.
  *
  * Format: source => [ dest1 dest2 dest3 ]
diff --git a/server/src/gtfpga.c b/server/src/gtfpga.c
index e6b9b4ac8..c763dd68d 100644
--- a/server/src/gtfpga.c
+++ b/server/src/gtfpga.c
@@ -218,14 +218,9 @@ int gtfpga_open(struct node *n)
 		if (ret)
 			serror("Failed to start timer");
 	}
-	else
-		/** @todo implement UIO interrupts */
+	else /** @todo implement UIO interrupts */
 		error("UIO irq not implemented yet. Use 'rate' setting");
 
-	char buf[1024];
-	gtfpga_print(n, buf, sizeof(buf));
-	debug(5, "Found GTFPGA card: %s", buf);
-
 	return 0;
 }
 
diff --git a/server/src/log.c b/server/src/log.c
index 015a9388d..006669a25 100644
--- a/server/src/log.c
+++ b/server/src/log.c
@@ -63,6 +63,7 @@ void log_reset()
 void log_print(const char *lvl, const char *fmt, ...)
 {
 	va_list ap;
+
 	va_start(ap, fmt);
 	log_vprint(lvl, fmt, ap);
 	va_end(ap);
diff --git a/server/src/opal.c b/server/src/opal.c
index 5304a2b79..e0b805ce0 100644
--- a/server/src/opal.c
+++ b/server/src/opal.c
@@ -69,6 +69,7 @@ int opal_init(int argc, char *argv[], struct settings *set)
 	info("Started as OPAL Asynchronous process");
 	info("This is Simulator2Simulator Server (S2SS) %s (built on %s, %s)",
 		VERSION, __DATE__, __TIME__);
+
 	opal_print_global(og);
 
 	return 0;