diff --git a/src/core/lv_obj_tree.h b/src/core/lv_obj_tree.h
index 3cee6e66a0..9f679dd40a 100644
--- a/src/core/lv_obj_tree.h
+++ b/src/core/lv_obj_tree.h
@@ -1,5 +1,5 @@
 /**
- * @file struct _lv_obj_tree.h
+ * @file lv_obj_tree.h
  *
  */
 
@@ -224,7 +224,7 @@ void lv_obj_tree_walk(lv_obj_t * start_obj, lv_obj_tree_walk_cb_t cb, void * use
  * Iterate through all children of any object and print their ID.
  * @param start_obj     start integrating from this object
  */
-void lv_obj_dump_tree(lv_obj_t * start_ob);
+void lv_obj_dump_tree(lv_obj_t * start_obj);
 
 /**********************
  *      MACROS
diff --git a/src/display/lv_display.h b/src/display/lv_display.h
index 84a4828dff..9ce81552b1 100644
--- a/src/display/lv_display.h
+++ b/src/display/lv_display.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_disp.h
+ * @file lv_display.h
  *
  */
 
diff --git a/src/draw/lv_draw_image.h b/src/draw/lv_draw_image.h
index 737e8b4390..fef361aa63 100644
--- a/src/draw/lv_draw_image.h
+++ b/src/draw/lv_draw_image.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_draw_img.h
+ * @file lv_draw_image.h
  *
  */
 
diff --git a/src/draw/lv_draw_mask.h b/src/draw/lv_draw_mask.h
index 6357647e97..e471b4c37e 100644
--- a/src/draw/lv_draw_mask.h
+++ b/src/draw/lv_draw_mask.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_draw_mask_rect.h
+ * @file lv_draw_mask.h
  *
  */
 
-#ifndef LV_DRAW_MASK_RECT_H
-#define LV_DRAW_MASK_RECT_H
+#ifndef LV_DRAW_MASK_H
+#define LV_DRAW_MASK_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -64,4 +64,4 @@ void lv_draw_mask_rect(lv_layer_t * layer, const lv_draw_mask_rect_dsc_t * dsc);
 } /*extern "C"*/
 #endif
 
-#endif /*LV_DRAW_MASK_RECT_H*/
+#endif /*LV_DRAW_MASK_H*/
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_al88.h b/src/draw/sw/blend/lv_draw_sw_blend_to_al88.h
index 85720ab8b4..90edb1dbab 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_al88.h
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_al88.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_draw_sw_blend_al88.h
+ * @file lv_draw_sw_blend_to_al88.h
  *
  */
 
-#ifndef LV_DRAW_SW_BLEND_AL88_H
-#define LV_DRAW_SW_BLEND_AL88_H
+#ifndef LV_DRAW_SW_BLEND_TO_AL88_H
+#define LV_DRAW_SW_BLEND_TO_AL88_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,4 +42,4 @@ void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_al88(_lv_draw_sw_blen
 } /*extern "C"*/
 #endif
 
-#endif /*LV_DRAW_SW_BLEND_AL88_H*/
+#endif /*LV_DRAW_SW_BLEND_TO_AL88_H*/
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.h b/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.h
index cfd4316835..964991be6d 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.h
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_argb8888.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_draw_sw_blend_argb8888.h
+ * @file lv_draw_sw_blend_to_argb8888.h
  *
  */
 
-#ifndef LV_DRAW_SW_BLEND_ARGB8888_H
-#define LV_DRAW_SW_BLEND_ARGB8888_H
+#ifndef LV_DRAW_SW_BLEND_TO_ARGB8888_H
+#define LV_DRAW_SW_BLEND_TO_ARGB8888_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,4 +42,4 @@ void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_argb8888(_lv_draw_sw_
 } /*extern "C"*/
 #endif
 
-#endif /*LV_DRAW_SW_BLEND_ARGB8888_H*/
+#endif /*LV_DRAW_SW_BLEND_TO_ARGB8888_H*/
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_i1.h b/src/draw/sw/blend/lv_draw_sw_blend_to_i1.h
index 7a396961f6..efb852e06c 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_i1.h
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_i1.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_draw_sw_blend_i1.h
+ * @file lv_draw_sw_blend_to_i1.h
  *
  */
 
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_l8.h b/src/draw/sw/blend/lv_draw_sw_blend_to_l8.h
index 4adab9f165..71ef1cd12a 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_l8.h
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_l8.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_draw_sw_blend_l8.h
+ * @file lv_draw_sw_blend_to_l8.h
  *
  */
 
-#ifndef LV_DRAW_SW_BLEND_L8_H
-#define LV_DRAW_SW_BLEND_L8_H
+#ifndef LV_DRAW_SW_BLEND_TO_L8_H
+#define LV_DRAW_SW_BLEND_TO_L8_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,4 +42,4 @@ void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_l8(_lv_draw_sw_blend_
 } /*extern "C"*/
 #endif
 
-#endif /*LV_DRAW_SW_BLEND_L8_H*/
+#endif /*LV_DRAW_SW_BLEND_TO_L8_H*/
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.h b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.h
index c7482f9485..156428877d 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.h
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb565.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_draw_sw_blend_rgb565.h
+ * @file lv_draw_sw_blend_to_rgb565.h
  *
  */
 
-#ifndef LV_DRAW_SW_BLEND_RGB565_H
-#define LV_DRAW_SW_BLEND_RGB565_H
+#ifndef LV_DRAW_SW_BLEND_TO_RGB565_H
+#define LV_DRAW_SW_BLEND_TO_RGB565_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,4 +42,4 @@ void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_rgb565(_lv_draw_sw_bl
 } /*extern "C"*/
 #endif
 
-#endif /*LV_DRAW_SW_BLEND_RGB565_H*/
+#endif /*LV_DRAW_SW_BLEND_TO_RGB565_H*/
diff --git a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.h b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.h
index a97a58bfed..66dc477a66 100644
--- a/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.h
+++ b/src/draw/sw/blend/lv_draw_sw_blend_to_rgb888.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_draw_sw_blend_rgb888.h
+ * @file lv_draw_sw_blend_to_rgb888.h
  *
  */
 
-#ifndef LV_DRAW_SW_BLEND_RGB888_H
-#define LV_DRAW_SW_BLEND_RGB888_H
+#ifndef LV_DRAW_SW_BLEND_TO_RGB888_H
+#define LV_DRAW_SW_BLEND_TO_RGB888_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -44,4 +44,4 @@ void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_sw_blend_image_to_rgb888(_lv_draw_sw_bl
 } /*extern "C"*/
 #endif
 
-#endif /*LV_DRAW_SW_BLEND_RGB888_H*/
+#endif /*LV_DRAW_SW_BLEND_TO_RGB888_H*/
diff --git a/src/draw/vg_lite/lv_draw_vg_lite.h b/src/draw/vg_lite/lv_draw_vg_lite.h
index 8b5cb3b46e..1d01fd6024 100644
--- a/src/draw/vg_lite/lv_draw_vg_lite.h
+++ b/src/draw/vg_lite/lv_draw_vg_lite.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_vg_lite_draw.h
+ * @file lv_draw_vg_lite.h
  *
  */
 
-#ifndef LV_VG_LITE_DRAW_H
-#define LV_VG_LITE_DRAW_H
+#ifndef LV_DRAW_VG_LITE_H
+#define LV_DRAW_VG_LITE_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -81,4 +81,4 @@ void lv_draw_vg_lite_vector(lv_draw_unit_t * draw_unit, const lv_draw_vector_tas
 } /*extern "C"*/
 #endif
 
-#endif /*LV_VG_LITE_DRAW_H*/
+#endif /*LV_DRAW_VG_LITE_H*/
diff --git a/src/draw/vg_lite/lv_draw_vg_lite_type.h b/src/draw/vg_lite/lv_draw_vg_lite_type.h
index a4d24d20d1..d1ba5d7ed9 100644
--- a/src/draw/vg_lite/lv_draw_vg_lite_type.h
+++ b/src/draw/vg_lite/lv_draw_vg_lite_type.h
@@ -69,4 +69,4 @@ struct _lv_draw_vg_lite_unit_t {
 } /*extern "C"*/
 #endif
 
-#endif /*LV_VG_LITE_DRAW_H*/
+#endif /*LV_DRAW_VG_LITE_TYPE_H*/
diff --git a/src/drivers/display/drm/lv_linux_drm.h b/src/drivers/display/drm/lv_linux_drm.h
index a75d19586f..ee32466caa 100644
--- a/src/drivers/display/drm/lv_linux_drm.h
+++ b/src/drivers/display/drm/lv_linux_drm.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_linux_drm_h
+ * @file lv_linux_drm.h
  *
  */
 
diff --git a/src/drivers/display/fb/lv_linux_fbdev.h b/src/drivers/display/fb/lv_linux_fbdev.h
index c14e9734c1..2c41aec192 100644
--- a/src/drivers/display/fb/lv_linux_fbdev.h
+++ b/src/drivers/display/fb/lv_linux_fbdev.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_linux_fb_dev_h
+ * @file lv_linux_fbdev.h
  *
  */
 
-#ifndef LV_LINUX_FB_DEV_H
-#define LV_LINUX_FB_DEV_H
+#ifndef LV_LINUX_FBDEV_H
+#define LV_LINUX_FBDEV_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -49,4 +49,4 @@ void lv_linux_fbdev_set_force_refresh(lv_display_t * disp, bool enabled);
 } /* extern "C" */
 #endif
 
-#endif /* LV_LINUX_FB_DEV_H */
+#endif /* LV_LINUX_FBDEV_H */
diff --git a/src/drivers/nuttx/lv_nuttx_fbdev.h b/src/drivers/nuttx/lv_nuttx_fbdev.h
index 994c4973b0..4310aa9c1d 100644
--- a/src/drivers/nuttx/lv_nuttx_fbdev.h
+++ b/src/drivers/nuttx/lv_nuttx_fbdev.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_nuttx_fbdev_h
+ * @file lv_nuttx_fbdev.h
  *
  */
 
diff --git a/src/drivers/qnx/lv_qnx.h b/src/drivers/qnx/lv_qnx.h
index c194d0bdf5..f0ec49b936 100644
--- a/src/drivers/qnx/lv_qnx.h
+++ b/src/drivers/qnx/lv_qnx.h
@@ -1,5 +1,5 @@
 /**
- * @file    lv_qnx_window.h
+ * @file    lv_qnx.h
  * @brief   LVGL driver for the QNX Screen compositing window manager
  */
 
diff --git a/src/drivers/sdl/lv_sdl_mouse.h b/src/drivers/sdl/lv_sdl_mouse.h
index 02e9b576d7..ef60685f42 100644
--- a/src/drivers/sdl/lv_sdl_mouse.h
+++ b/src/drivers/sdl/lv_sdl_mouse.h
@@ -1,5 +1,5 @@
 /**
- * @file Lv_sdl_mouse.h
+ * @file lv_sdl_mouse.h
  *
  */
 
diff --git a/src/layouts/lv_layout.h b/src/layouts/lv_layout.h
index f8258b5988..4f0c62c077 100644
--- a/src/layouts/lv_layout.h
+++ b/src/layouts/lv_layout.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_layouts.h
+ * @file lv_layout.h
  *
  */
 
-#ifndef LV_LAYOUTS_H
-#define LV_LAYOUTS_H
+#ifndef LV_LAYOUT_H
+#define LV_LAYOUT_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -82,4 +82,4 @@ void _lv_layout_apply(lv_obj_t * obj);
 } /*extern "C"*/
 #endif
 
-#endif /*LV_LAYOUTS_H*/
+#endif /*LV_LAYOUT_H*/
diff --git a/src/libs/barcode/lv_barcode.h b/src/libs/barcode/lv_barcode.h
index 343e18bf86..664f38bb98 100644
--- a/src/libs/barcode/lv_barcode.h
+++ b/src/libs/barcode/lv_barcode.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_barcode.c
+ * @file lv_barcode.h
  *
  */
 
diff --git a/src/libs/qrcode/lv_qrcode.h b/src/libs/qrcode/lv_qrcode.h
index aed84fd7c6..6bf6d2c81d 100644
--- a/src/libs/qrcode/lv_qrcode.h
+++ b/src/libs/qrcode/lv_qrcode.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_qrcode
+ * @file lv_qrcode.h
  *
  */
 
diff --git a/src/others/gridnav/lv_gridnav.h b/src/others/gridnav/lv_gridnav.h
index 50fff32700..996985d7f4 100644
--- a/src/others/gridnav/lv_gridnav.h
+++ b/src/others/gridnav/lv_gridnav.h
@@ -1,43 +1,3 @@
-/**
- * @file lv_templ.c
- *
- */
-
-/*********************
- *      INCLUDES
- *********************/
-
-/*********************
- *      DEFINES
- *********************/
-
-/**********************
- *      TYPEDEFS
- **********************/
-
-/*This typedef exists purely to keep -Wpedantic happy when the file is empty.*/
-/*It can be removed.*/
-typedef int _keep_pedantic_happy;
-
-/**********************
- *  STATIC PROTOTYPES
- **********************/
-
-/**********************
- *  STATIC VARIABLES
- **********************/
-
-/**********************
- *      MACROS
- **********************/
-
-/**********************
- *   GLOBAL FUNCTIONS
- **********************/
-
-/**********************
- *   STATIC FUNCTIONS
- **********************/
 /**
  * @file lv_gridnav.h
  *
diff --git a/src/stdlib/lv_string.h b/src/stdlib/lv_string.h
index 6cbb4e33cb..10aee500f0 100644
--- a/src/stdlib/lv_string.h
+++ b/src/stdlib/lv_string.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_stringn.h
+ * @file lv_string.h
  *
  */
 
diff --git a/src/tick/lv_tick.h b/src/tick/lv_tick.h
index eb53fe8d98..ef65b967ff 100644
--- a/src/tick/lv_tick.h
+++ b/src/tick/lv_tick.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_hal_tick.h
+ * @file lv_tick.h
  * Provide access to the system tick with 1 millisecond resolution
  */
 
-#ifndef LV_HAL_TICK_H
-#define LV_HAL_TICK_H
+#ifndef LV_TICK_H
+#define LV_TICK_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -89,4 +89,4 @@ void lv_delay_set_cb(lv_delay_cb_t cb);
 } /*extern "C"*/
 #endif
 
-#endif /*LV_HAL_TICK_H*/
+#endif /*LV_TICK_H*/
diff --git a/src/widgets/animimage/lv_animimage.h b/src/widgets/animimage/lv_animimage.h
index 87df815404..0e88a26352 100644
--- a/src/widgets/animimage/lv_animimage.h
+++ b/src/widgets/animimage/lv_animimage.h
@@ -1,10 +1,10 @@
 /**
- * @file lv_animimg.h
+ * @file lv_animimage.h
  *
  */
 
-#ifndef LV_ANIM_IMAGE_H
-#define LV_ANIM_IMAGE_H
+#ifndef LV_ANIMIMAGE_H
+#define LV_ANIMIMAGE_H
 
 #ifdef __cplusplus
 extern "C" {
@@ -133,4 +133,4 @@ uint32_t lv_animimg_get_repeat_count(lv_obj_t * img);
 } /* extern "C" */
 #endif
 
-#endif /*LV_ANIM_IMAGE_H*/
+#endif /*LV_ANIMIMAGE_H*/
diff --git a/src/widgets/button/lv_button.h b/src/widgets/button/lv_button.h
index 08ba1cdbc9..85803e6f5a 100644
--- a/src/widgets/button/lv_button.h
+++ b/src/widgets/button/lv_button.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_btn.h
+ * @file lv_button.h
  *
  */
 
diff --git a/src/widgets/buttonmatrix/lv_buttonmatrix.h b/src/widgets/buttonmatrix/lv_buttonmatrix.h
index 64c0d1b55f..7ceaf29b26 100644
--- a/src/widgets/buttonmatrix/lv_buttonmatrix.h
+++ b/src/widgets/buttonmatrix/lv_buttonmatrix.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_btnmatrix.h
+ * @file lv_buttonmatrix.h
  *
  */
 
@@ -142,7 +142,6 @@ void lv_buttonmatrix_set_button_ctrl_all(lv_obj_t * obj, lv_buttonmatrix_ctrl_t
  * Clear the attributes of all buttons of a button matrix
  * @param obj       pointer to a button matrix object
  * @param ctrl      attribute(s) to set from `lv_buttonmatrix_ctrl_t`. Values can be ORed.
- * @param en        true: set the attributes; false: clear the attributes
  */
 void lv_buttonmatrix_clear_button_ctrl_all(lv_obj_t * obj, lv_buttonmatrix_ctrl_t ctrl);
 
diff --git a/src/widgets/checkbox/lv_checkbox.h b/src/widgets/checkbox/lv_checkbox.h
index 1a0b3df1d9..25ba359468 100644
--- a/src/widgets/checkbox/lv_checkbox.h
+++ b/src/widgets/checkbox/lv_checkbox.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_cb.h
+ * @file lv_checkbox.h
  *
  */
 
diff --git a/src/widgets/image/lv_image.h b/src/widgets/image/lv_image.h
index a15a45d198..8c45ee9414 100644
--- a/src/widgets/image/lv_image.h
+++ b/src/widgets/image/lv_image.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_img.h
+ * @file lv_image.h
  *
  */
 
@@ -39,20 +39,20 @@ extern "C" {
  */
 typedef struct {
     lv_obj_t obj;
-    const void * src;   /**< Image source: Pointer to an array or a file or a symbol*/
+    const void * src;       /**< Image source: Pointer to an array or a file or a symbol*/
     const lv_image_dsc_t * bitmap_mask_src; /**< Pointer to an A8 bitmap mask */
     lv_point_t offset;
-    int32_t w;          /**< Width of the image (Handled by the library)*/
-    int32_t h;          /**< Height of the image (Handled by the library)*/
-    uint32_t rotation;    /**< Rotation angle of the image*/
-    uint32_t scale_x;      /**< 256 means no zoom, 512 double size, 128 half size*/
-    uint32_t scale_y;      /**< 256 means no zoom, 512 double size, 128 half size*/
-    lv_point_t pivot;     /**< Rotation center of the image*/
+    int32_t w;              /**< Width of the image (Handled by the library)*/
+    int32_t h;              /**< Height of the image (Handled by the library)*/
+    uint32_t rotation;      /**< Rotation angle of the image*/
+    uint32_t scale_x;       /**< 256 means no zoom, 512 double size, 128 half size*/
+    uint32_t scale_y;       /**< 256 means no zoom, 512 double size, 128 half size*/
+    lv_point_t pivot;       /**< Rotation center of the image*/
     uint32_t src_type : 2;  /**< See: lv_image_src_t*/
     uint32_t cf : 5;        /**< Color format from `lv_color_format_t`*/
     uint32_t antialias : 1; /**< Apply anti-aliasing in transformations (rotate, zoom)*/
-    uint32_t align: 4;   /**< Image size mode when image size and object size is different. See `lv_image_align_t`*/
-    uint32_t blend_mode: 4;   /**< Element of `lv_blend_mode_t`*/
+    uint32_t align: 4;      /**< Image size mode when image size and object size is different. See lv_image_align_t*/
+    uint32_t blend_mode: 4; /**< Element of `lv_blend_mode_t`*/
 } lv_image_t;
 
 LV_ATTRIBUTE_EXTERN_DATA extern const lv_obj_class_t lv_image_class;
@@ -83,7 +83,7 @@ typedef uint8_t lv_image_align_t;
 #endif /*DOXYGEN*/
 
 #if LV_USE_OBJ_PROPERTY
-enum {
+enum _lv_image_property_t {
     LV_PROPERTY_ID(IMAGE, SRC,        LV_PROPERTY_TYPE_IMGSRC,    0),
     LV_PROPERTY_ID(IMAGE, OFFSET_X,   LV_PROPERTY_TYPE_INT,       1),
     LV_PROPERTY_ID(IMAGE, OFFSET_Y,   LV_PROPERTY_TYPE_INT,       2),
@@ -171,39 +171,39 @@ static inline void _lv_image_set_pivot(lv_obj_t * obj, lv_point_t * pivot)
 /**
  * Set the zoom factor of the image.
  * Note that indexed and alpha only images can't be transformed.
- * @param img       pointer to an image object
- * @param zoom      the zoom factor.
- * @example 256 or LV_ZOOM_IMAGE_NONE for no zoom
- * @example <256: scale down
- * @example >256 scale up
- * @example 128 half size
- * @example 512 double size
+ * @param obj       pointer to an image object
+ * @param zoom      the zoom factor.  Example values:
+ *                      - 256 or LV_ZOOM_IMAGE_NONE:  no zoom
+ *                      - <256:  scale down
+ *                      - >256:  scale up
+ *                      - 128:  half size
+ *                      - 512:  double size
  */
 void lv_image_set_scale(lv_obj_t * obj, uint32_t zoom);
 
 /**
  * Set the horizontal zoom factor of the image.
  * Note that indexed and alpha only images can't be transformed.
- * @param img       pointer to an image object
- * @param zoom      the zoom factor.
- * @example 256 or LV_ZOOM_IMAGE_NONE for no zoom
- * @example <256: scale down
- * @example >256 scale up
- * @example 128 half size
- * @example 512 double size
+ * @param obj       pointer to an image object
+ * @param zoom      the zoom factor.  Example values:
+ *                      - 256 or LV_ZOOM_IMAGE_NONE:  no zoom
+ *                      - <256:  scale down
+ *                      - >256:  scale up
+ *                      - 128:  half size
+ *                      - 512:  double size
  */
 void lv_image_set_scale_x(lv_obj_t * obj, uint32_t zoom);
 
 /**
  * Set the vertical zoom factor of the image.
  * Note that indexed and alpha only images can't be transformed.
- * @param img       pointer to an image object
- * @param zoom      the zoom factor.
- * @example 256 or LV_ZOOM_IMAGE_NONE for no zoom
- * @example <256: scale down
- * @example >256 scale up
- * @example 128 half size
- * @example 512 double size
+ * @param obj       pointer to an image object
+ * @param zoom      the zoom factor.  Example values:
+ *                      - 256 or LV_ZOOM_IMAGE_NONE:  no zoom
+ *                      - <256:  scale down
+ *                      - >256:  scale up
+ *                      - 128:  half size
+ *                      - 512:  double size
  */
 void lv_image_set_scale_y(lv_obj_t * obj, uint32_t zoom);
 
@@ -328,7 +328,7 @@ bool lv_image_get_antialias(lv_obj_t * obj);
 /**
  * Get the size mode of the image
  * @param obj       pointer to an image object
- * @return          element of @ref lv_image_align_t
+ * @return          element of `lv_image_align_t`
  */
 lv_image_align_t lv_image_get_inner_align(lv_obj_t * obj);
 
diff --git a/src/widgets/label/lv_label.h b/src/widgets/label/lv_label.h
index f2d4463efa..2f1954152b 100644
--- a/src/widgets/label/lv_label.h
+++ b/src/widgets/label/lv_label.h
@@ -114,7 +114,11 @@ void lv_label_set_text(lv_obj_t * obj, const char * text);
  * Set a new formatted text for a label. Memory will be allocated to store the text by the label.
  * @param obj           pointer to a label object
  * @param fmt           `printf`-like format
- * @example lv_label_set_text_fmt(label1, "%d user", user_num);
+ *
+ * Example:
+ * @code
+ * lv_label_set_text_fmt(label1, "%d user", user_num);
+ * @endcode
  */
 void lv_label_set_text_fmt(lv_obj_t * obj, const char * fmt, ...) LV_FORMAT_ATTRIBUTE(2, 3);
 
diff --git a/src/widgets/msgbox/lv_msgbox.h b/src/widgets/msgbox/lv_msgbox.h
index b7413ee7eb..10040f0ff8 100644
--- a/src/widgets/msgbox/lv_msgbox.h
+++ b/src/widgets/msgbox/lv_msgbox.h
@@ -1,5 +1,5 @@
 /**
- * @file lv_mbox.h
+ * @file lv_msgbox.h
  *
  */
 
@@ -80,7 +80,7 @@ lv_obj_t * lv_msgbox_add_header_button(lv_obj_t * obj, const void * icon);
 /**
  * Add a text to the content area of message box. Multiply texts will be created below each other.
  * @param obj           pointer to a message box
- * @param icon          the icon of the button
+ * @param text          text to add
  * @return              the created button
  */
 lv_obj_t * lv_msgbox_add_text(lv_obj_t * obj, const char * text);
@@ -130,13 +130,13 @@ lv_obj_t * lv_msgbox_get_title(lv_obj_t * obj);
 
 /**
  * Close a message box
- * @param obj           pointer to a message box
+ * @param mbox           pointer to a message box
  */
 void lv_msgbox_close(lv_obj_t * mbox);
 
 /**
  * Close a message box in the next call of the message box
- * @param obj           pointer to a message box
+ * @param mbox           pointer to a message box
  */
 void lv_msgbox_close_async(lv_obj_t * mbox);