diff --git a/drivers/lcd/ssd1289_lld.c b/drivers/lcd/ssd1289_lld.c
index 3a482b93..09769a4b 100644
--- a/drivers/lcd/ssd1289_lld.c
+++ b/drivers/lcd/ssd1289_lld.c
@@ -105,11 +105,11 @@ __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
 		buffer[i] = lld_lcdReadData();
 }
 
-#endif
+#endif // LCD_USE_GPIO 
 
 #ifdef LCD_USE_SPI
 	/* TODO */
-#endif
+#endif // LCD_USE_SPI
 
 #ifdef LCD_USE_FSMC
 
@@ -170,7 +170,7 @@ __inline void lld_lcdReadStream(uint16_t *buffer, size_t size) {
 		buffer[i] = LCD_RAM;
 	}
 }
-#endif
+#endif // LCD_USE_FSMC
 
 static __inline void lld_lcdDelay(uint16_t us) {
 	chThdSleepMicroseconds(us);
diff --git a/glcd/glcd.c b/glcd/glcd.c
index 80f7a722..432b7c0d 100644
--- a/glcd/glcd.c
+++ b/glcd/glcd.c
@@ -11,7 +11,7 @@ static WORKING_AREA(waGLCDWorkerThread, GLCD_WORKER_SIZE);
 static msg_t ThreadGLCDWorker(void *arg) {
 	(void)arg;
 	Thread *p;
-	uint16_t ret;
+	uint16_t ret;	// return value
  
 	chRegSetThreadName("GLCDWorker");