diff --git a/Controllers/SteelSeriesController/SteelSeriesApexBaseController.h b/Controllers/SteelSeriesController/SteelSeriesApexBaseController.h
index c72b6122..eff0aa55 100644
--- a/Controllers/SteelSeriesController/SteelSeriesApexBaseController.h
+++ b/Controllers/SteelSeriesController/SteelSeriesApexBaseController.h
@@ -1,20 +1,21 @@
-/*-----------------------------------------*\
-|  SteelSeriesApexBaseController.h          |
-|                                           |
-|  Base controller for SteelSeries Apex     |
-|  Keyboard lighting controllers            |
-|                                           |
-|  Florian Heilmann (FHeilmann) 19/10/2020  |
-\*-----------------------------------------*/
-
-#include "RGBController.h"
-#include "SteelSeriesGeneric.h"
-
-#include <string>
-#include <cstring>
+/*---------------------------------------------------------*\
+| SteelSeriesApexBaseController.h                           |
+|                                                           |
+|   Driver base for SteelSeries Apex                        |
+|                                                           |
+|   Florian Heilmann (FHeilmann)                19 Oct 2020 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-only                   |
+\*---------------------------------------------------------*/
 
 #pragma once
 
+#include <cstring>
+#include <string>
+#include "RGBController.h"
+#include "SteelSeriesGeneric.h"
+
 #define STEELSERIES_PACKET_IN_SIZE 64
 #define STEELSERIES_PACKET_OUT_SIZE STEELSERIES_PACKET_IN_SIZE + 1
 
diff --git a/Controllers/SteelSeriesController/SteelSeriesApexRegions.h b/Controllers/SteelSeriesController/SteelSeriesApexRegions.h
index 1d820d46..b2cf0e62 100644
--- a/Controllers/SteelSeriesController/SteelSeriesApexRegions.h
+++ b/Controllers/SteelSeriesController/SteelSeriesApexRegions.h
@@ -1,22 +1,24 @@
-/*-----------------------------------------*\
-|  SteelSeriesApexRegions.h                 |
-|                                           |
-|  Region specific SKU settings for the     |
-|  Apex 5/7/Pro and TKL keyboards           |
-|                                           |
-|  Joseph East (dripsnek) 2021              |
-\*-----------------------------------------*/
+/*---------------------------------------------------------*\
+| SteelSeriesApexRegions.h                                  |
+|                                                           |
+|   Region settings for SteelSeries Apex 5/7/Pro and TKL    |
+|                                                           |
+|   Joseph East (dripsnek)                             2021 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-only                   |
+\*---------------------------------------------------------*/
 
 #pragma once
 
-#define NA  0xFFFFFFFF
-
-#include <string>
 #include <map>
+#include <string>
 #include <vector>
 #include "RGBController_SteelSeriesApex.h"
 #include "RGBControllerKeyNames.h"
 
+#define NA  0xFFFFFFFF
+
 /*----------------------------------------------------------------------*\
 | As of firmware 4.1.0 there are in total 111 possible standard keys     |
 | which are shared across the Apex Pro / 7 / TKL / 5 and their regional  |
diff --git a/Controllers/SteelSeriesController/SteelSeriesControllerDetect.cpp b/Controllers/SteelSeriesController/SteelSeriesControllerDetect.cpp
index 816d7d95..4767cb43 100644
--- a/Controllers/SteelSeriesController/SteelSeriesControllerDetect.cpp
+++ b/Controllers/SteelSeriesController/SteelSeriesControllerDetect.cpp
@@ -1,8 +1,16 @@
+/*---------------------------------------------------------*\
+| SteelSeriesControllerDetect.cpp                           |
+|                                                           |
+|   Detector for SteelSeries devices                        |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-only                   |
+\*---------------------------------------------------------*/
+
 #include <hidapi/hidapi.h>
 #include "Detector.h"
 #include "RGBController.h"
 #include "SteelSeriesGeneric.h"
-
 #include "SteelSeriesAerox5Controller.h"
 #include "SteelSeriesAerox9Controller.h"
 #include "SteelSeriesArctis5Controller.h"
@@ -16,7 +24,6 @@
 #include "SteelSeriesRival3Controller.h"
 #include "SteelSeriesSenseiController.h"
 #include "SteelSeriesSiberiaController.h"
-
 #include "RGBController_SteelSeriesArctis5.h"
 #include "RGBController_SteelSeriesApex.h"
 #include "RGBController_SteelSeriesApex3.h"
@@ -31,6 +38,7 @@
 | Vendor ID                                             |
 \*-----------------------------------------------------*/
 #define STEELSERIES_VID                             0x1038
+
 /*-----------------------------------------------------*\
 | Mouse product IDs                                     |
 \*-----------------------------------------------------*/
@@ -64,11 +72,13 @@
 #define STEELSERIES_SENSEI_TEN_PID                  0x1832
 #define STEELSERIES_SENSEI_TEN_CSGO_NEON_RIDER_PID  0x1834
 #define STEELSERIES_SENSEI_310_PID                  0x1722
+
 /*-----------------------------------------------------*\
 | Headset product IDs                                   |
 \*-----------------------------------------------------*/
 #define STEELSERIES_SIBERIA_350_PID                 0x1229
 #define STEELSERIES_ARCTIS_5_PID                    0x12AA
+
 /*--------------------------------------------------------------*\
 | Mousemat product IDs                                           |
 \*--------------------------------------------------------------*/
@@ -79,6 +89,7 @@
 #define STEELSERIES_QCK_PRISM_CLOTH_XL_CSGO_NEO_NOIR_PID    0x151C
 #define STEELSERIES_QCK_PRISM_CLOTH_3XL_PID                 0x1516
 #define STEELSERIES_QCK_PRISM_CLOTH_4XL_PID                 0x1518
+
 /*-----------------------------------------------------*\
 | Keyboard product IDs                                  |
 \*-----------------------------------------------------*/
diff --git a/Controllers/SteelSeriesController/SteelSeriesGeneric.h b/Controllers/SteelSeriesController/SteelSeriesGeneric.h
index 4c828e1c..f620a2e0 100644
--- a/Controllers/SteelSeriesController/SteelSeriesGeneric.h
+++ b/Controllers/SteelSeriesController/SteelSeriesGeneric.h
@@ -1,17 +1,19 @@
-/*-----------------------------------------*\
-|  SteelSeriesGeneric.h                     |
-|                                           |
-|  Definitions and types for the SteelSeries|
-|  Devices.                                 |
-|                                           |
-|  B Horn (bahorn) 17/5/2020                |
-\*-----------------------------------------*/
+/*---------------------------------------------------------*\
+| SteelSeriesGeneric.h                                      |
+|                                                           |
+|   Generic file for SteelSeries devices                    |
+|                                                           |
+|   B Horn (bahorn)                             17 May 2020 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-only                   |
+\*---------------------------------------------------------*/
+
+#pragma once
 
 #include <string>
 #include <hidapi/hidapi.h>
 
-#pragma once
-
 /* Allows us to handle variation in the protocol.
  * Defined in a single enum so we can keep the device_list struct the same
  * for every possible device. */
diff --git a/Controllers/SteelSeriesController/color32.h b/Controllers/SteelSeriesController/color32.h
index 1e83de45..9c065eee 100644
--- a/Controllers/SteelSeriesController/color32.h
+++ b/Controllers/SteelSeriesController/color32.h
@@ -1,20 +1,20 @@
-/*-----------------------------------------*\
-|  color32.h                                |
-|                                           |
-|  Simple structure to allow passing of     |
-|  32-bit color data between classes        |
-|                                           |
-|  David Lee (RAMChYLD) 15/11/2020          |
-\*-----------------------------------------*/
+/*---------------------------------------------------------*\
+| color32.h                                                 |
+|                                                           |
+|   Class to hold 32-bit color data                         |
+|                                                           |
+|   David Lee (RAMChYLD)                        15 Nov 2020 |
+|                                                           |
+|   This file is part of the OpenRGB project                |
+|   SPDX-License-Identifier: GPL-2.0-only                   |
+\*---------------------------------------------------------*/
 
-#ifndef COLOR32_H
-#define COLOR32_H
+#pragma once
 
-typedef struct{
+typedef struct
+{
     unsigned char red;
     unsigned char green;
     unsigned char blue;
     unsigned char alpha;
 } color32;
-
-#endif // COLOR32_H