diff --git a/fw/HackSpaceCon/src/hsv2rgb.h b/fw/HackSpaceCon/src/hsv2rgb.h
index 727c0f9..49a9f03 100644
--- a/fw/HackSpaceCon/src/hsv2rgb.h
+++ b/fw/HackSpaceCon/src/hsv2rgb.h
@@ -21,8 +21,8 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  */
-#ifndef __INC_HSV2RGB_H__
-#define __INC_HSV2RGB_H__
+#ifndef __HSV2RGB_H__
+#define __HSV2RGB_H__
 
 #include <stdint.h>
 
diff --git a/fw/HackSpaceCon/src/isr.cpp b/fw/HackSpaceCon/src/isr.cpp
index c41d001..e1feb7a 100644
--- a/fw/HackSpaceCon/src/isr.cpp
+++ b/fw/HackSpaceCon/src/isr.cpp
@@ -1,3 +1,10 @@
+/*
+    hackspacecon wand firmware
+
+    interrupt routines
+
+*/
+
 #include <Arduino.h>
 
 #include "rgbled.h"
diff --git a/fw/HackSpaceCon/src/rgbled.cpp b/fw/HackSpaceCon/src/rgbled.cpp
index 3be27db..8e7c1df 100644
--- a/fw/HackSpaceCon/src/rgbled.cpp
+++ b/fw/HackSpaceCon/src/rgbled.cpp
@@ -1,3 +1,10 @@
+/*
+    hackspacecon wand firmware
+
+    rgb led control and programs
+
+*/
+
 #include <Arduino.h>
 #include "rgbled.h"
 
diff --git a/fw/HackSpaceCon/src/rgbled.h b/fw/HackSpaceCon/src/rgbled.h
index c1f4f43..f1e33e6 100644
--- a/fw/HackSpaceCon/src/rgbled.h
+++ b/fw/HackSpaceCon/src/rgbled.h
@@ -1,3 +1,8 @@
+#ifndef __RGBLED_H__
+#define __RGBLED_H__
+
+
+
 #include <tinyNeoPixel_Static.h>
 #include <stdint.h>
 
@@ -21,3 +26,6 @@ extern uint8_t (*rgb_program[PROG_COUNT])(uint8_t);
 
 
 void conf_rgb_timer();
+
+
+#endif