Index: src/hid/Makefile
==================================================================
--- src/hid/Makefile
+++ src/hid/Makefile
@@ -8,33 +8,33 @@
 LIB_MAJOR = ${OBJFWHID_LIB_MAJOR}
 LIB_MINOR = ${OBJFWHID_LIB_MINOR}
 LIB_PATCH = ${OBJFWHID_LIB_PATCH}
 
 SRCS = OHCombinedJoyCons.m		\
+       OHDualSenseGamepad.m		\
+       OHDualShock4Gamepad.m		\
+       OHExtendedN64Controller.m	\
        OHGameController.m		\
        OHGameControllerAxis.m		\
        OHGameControllerButton.m		\
        OHGameControllerDirectionalPad.m	\
-       OHGameControllerElement.m
+       OHGameControllerElement.m	\
+       OHLeftJoyCon.m			\
+       OHN64Controller.m		\
+       OHRightJoyCon.m			\
+       OHStadiaGamepad.m		\
+       OHXboxGamepad.m
 
 INCLUDES := ${SRCS:.m=.h}		\
 	    OHExtendedGamepad.h		\
 	    OHGameControllerProfile.h	\
 	    OHGamepad.h			\
 	    ObjFWHID.h
 
-SRCS += OHDualSenseGamepad.m			\
-	OHDualShock4Gamepad.m			\
-	OHEmulatedGameControllerAxis.m		\
+SRCS += OHEmulatedGameControllerAxis.m		\
 	OHEmulatedGameControllerButton.m	\
 	OHEmulatedGameControllerTriggerButton.m	\
-	OHExtendedN64Controller.m		\
-	OHLeftJoyCon.m				\
-	OHN64Controller.m			\
-	OHRightJoyCon.m				\
-	OHStadiaGamepad.m			\
-	OHXboxGamepad.m				\
 	${USE_SRCS_EVDEV}			\
 	${USE_SRCS_NINTENDO_3DS}		\
 	${USE_SRCS_NINTENDO_DS}			\
 	${USE_SRCS_NINTENDO_SWITCH}		\
 	${USE_SRCS_WII}				\

Index: src/hid/OHDualSenseGamepad.h
==================================================================
--- src/hid/OHDualSenseGamepad.h
+++ src/hid/OHDualSenseGamepad.h
@@ -22,10 +22,15 @@
 # import "OHEvdevGameController.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHDualSenseGamepad OHDualSenseGamepad.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A Sony DualSense gamepad.
+ */
 @interface OHDualSenseGamepad: OFObject <OHExtendedGamepad
 #if defined(OF_LINUX) && defined(OF_HAVE_FILES)
     , OHEvdevMapping
 #endif
 >

Index: src/hid/OHDualShock4Gamepad.h
==================================================================
--- src/hid/OHDualShock4Gamepad.h
+++ src/hid/OHDualShock4Gamepad.h
@@ -22,10 +22,15 @@
 # import "OHEvdevGameController.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHDualShock4Gamepad OHDualShock4Gamepad.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A Sony DualShock 4 gamepad.
+ */
 @interface OHDualShock4Gamepad: OFObject <OHExtendedGamepad
 #if defined(OF_LINUX) && defined(OF_HAVE_FILES)
     , OHEvdevMapping
 #endif
 >

Index: src/hid/OHExtendedN64Controller.h
==================================================================
--- src/hid/OHExtendedN64Controller.h
+++ src/hid/OHExtendedN64Controller.h
@@ -19,9 +19,17 @@
 
 #import "OHN64Controller.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHExtendedN64Controller OHExtendedN64Controller.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief An extended Nintendo 64 controller.
+ *
+ * An extended Nintendo 64 controller has extra buttons, such as the Nintendo
+ * Switch Online N64 controller.
+ */
 @interface OHExtendedN64Controller: OHN64Controller
 @end
 
 OF_ASSUME_NONNULL_END

Index: src/hid/OHLeftJoyCon.h
==================================================================
--- src/hid/OHLeftJoyCon.h
+++ src/hid/OHLeftJoyCon.h
@@ -22,10 +22,15 @@
 # import "OHEvdevGameController.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHLeftJoyCon OHLeftJoyCon.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A left Nintendo Switch Joy-Con.
+ */
 @interface OHLeftJoyCon: OFObject <OHGameControllerProfile
 #if defined(OF_LINUX) && defined(OF_HAVE_FILES)
     , OHEvdevMapping
 #endif
 >

Index: src/hid/OHN64Controller.h
==================================================================
--- src/hid/OHN64Controller.h
+++ src/hid/OHN64Controller.h
@@ -22,10 +22,15 @@
 # import "OHEvdevGameController.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHN64Controller OHN64Controller.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A Nintendo 64 controller.
+ */
 @interface OHN64Controller: OFObject <OHGameControllerProfile
 #if defined(OF_LINUX) && defined(OF_HAVE_FILES)
     , OHEvdevMapping
 #endif
 >

Index: src/hid/OHRightJoyCon.h
==================================================================
--- src/hid/OHRightJoyCon.h
+++ src/hid/OHRightJoyCon.h
@@ -22,10 +22,15 @@
 # import "OHEvdevGameController.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHRightJoyCon OHRightJoyCon.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A right Nintendo Switch Joy-Con.
+ */
 @interface OHRightJoyCon: OFObject <OHGameControllerProfile
 #if defined(OF_LINUX) && defined(OF_HAVE_FILES)
     , OHEvdevMapping
 #endif
 >

Index: src/hid/OHStadiaGamepad.h
==================================================================
--- src/hid/OHStadiaGamepad.h
+++ src/hid/OHStadiaGamepad.h
@@ -22,10 +22,15 @@
 # import "OHEvdevGameController.h"
 #endif
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHStadiaGamepad OHStadiaGamepad.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A Stadia gamepad.
+ */
 @interface OHStadiaGamepad: OFObject <OHExtendedGamepad
 #if defined(OF_LINUX) && defined(OF_HAVE_FILES)
     , OHEvdevMapping
 #endif
 >

Index: src/hid/OHXboxGamepad.h
==================================================================
--- src/hid/OHXboxGamepad.h
+++ src/hid/OHXboxGamepad.h
@@ -19,10 +19,15 @@
 
 #import "OHExtendedGamepad.h"
 
 OF_ASSUME_NONNULL_BEGIN
 
+/**
+ * @class OHXboxGamepad OHXboxGamepad.h ObjFWHID/ObjFWHID.h
+ *
+ * @brief A Microsoft Xbox gamepad.
+ */
 @interface OHXboxGamepad: OFObject <OHExtendedGamepad>
 {
 	OFDictionary OF_GENERIC(OFString *, OHGameControllerButton *) *_buttons;
 	OFDictionary OF_GENERIC(OFString *, OHGameControllerDirectionalPad *)
 	    *_directionalPads;

Index: src/hid/ObjFWHID.h
==================================================================
--- src/hid/ObjFWHID.h
+++ src/hid/ObjFWHID.h
@@ -23,6 +23,15 @@
 #import "OHGameControllerButton.h"
 #import "OHGameControllerDirectionalPad.h"
 #import "OHGameControllerProfile.h"
 #import "OHGamepad.h"
 #import "OHExtendedGamepad.h"
+
 #import "OHCombinedJoyCons.h"
+#import "OHDualSenseGamepad.h"
+#import "OHDualShock4Gamepad.h"
+#import "OHExtendedN64Controller.h"
+#import "OHLeftJoyCon.h"
+#import "OHN64Controller.h"
+#import "OHRightJoyCon.h"
+#import "OHStadiaGamepad.h"
+#import "OHXboxGamepad.h"