diff --git a/keyboards/ut47/keymaps/default/keymap.c b/keyboards/ut47/keymaps/default/keymap.c
index a02543da..3f065b61 100644
--- a/keyboards/ut47/keymaps/default/keymap.c
+++ b/keyboards/ut47/keymaps/default/keymap.c
@@ -29,6 +29,18 @@ enum custom_keycodes {
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
+  /* Base Layer
+   * ,-------------------------------------------------------------------------.
+   * | Esc |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |Bspace |
+   * |-------------------------------------------------------------------------+
+   * |Tab/L3|  A  |  S  |  D  |  F  |  G  |  H  |  J  |  K  |  L  |  ;  |   '  |
+   * |-------------------------------------------------------------------------+
+   * | Shift |  Z  |  X  |  C  |  V  |  B  |  N  |  M  |  ,  |  .  |  /  |Sh/En|
+   * |-------------------------------------------------------------------------+
+   * | Ctrl| Alt | Gui | App |  L2  |   Space   |  L1  | Left| Down|  Up |Right|
+   * `-------------------------------------------------------------------------'
+   */
+
 LAYOUT(
   KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC,
   LT3_TAB, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT,
@@ -36,20 +48,56 @@ LAYOUT(
   KC_LCTL, KC_LALT, KC_LGUI, KC_APP,  MO(2),      KC_SPC,        MO(1),  KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
 ),
 
-LAYOUT(
+  /* FN Layer 1
+   * ,-------------------------------------------------------------------------.
+   * | ` ~ |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  | Delete|
+   * |-------------------------------------------------------------------------+
+   * |      |     |     |     |     |     |     |  -  |  =  |  [  |  ]  |  \   |
+   * |-------------------------------------------------------------------------+
+   * |       | F11 | F12 | F13 | F14 | F15 | F16 | F17 | F18 | F19 | F20 |     |
+   * |-------------------------------------------------------------------------+
+   * |     |     |     |Capsl|      |          |       | Home| PgDn| PgUp| End |
+   * `-------------------------------------------------------------------------'
+   */
+
+LAYOUT( /* Right */
   KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DELETE,
   _______, _______, _______, _______, _______, _______, _______, KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS,
   _______, KC_F11,  KC_F12,  KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20,  _______,
   _______, _______, _______, KC_CAPS, _______,     _______,      _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END
 ),
 
-LAYOUT(
+  /* FN Layer 2
+   * ,-------------------------------------------------------------------------.
+   * | FN6 | FN7 | FN8 | FN9 | FN9 | FN10| FN11| FN12| FN13| FN14| FN15| Delete|
+   * |-------------------------------------------------------------------------+
+   * |      |     |     |     |     |     |     | FN17| FN18| FN19| FN20|  FN21|
+   * |-------------------------------------------------------------------------+
+   * |       | F1  | F2  | F3  | F4  | F5  | F6  | F7  | F8  | F9  | F10 |     |
+   * |-------------------------------------------------------------------------+
+   * |     |     |     |Capsl|      |          |       | Home| PgDn| PgUp| End |
+   * `-------------------------------------------------------------------------'
+   */
+
+LAYOUT( /* Left */
   KC_FN6,  KC_FN7,  KC_FN8,  KC_FN9,  KC_FN10, KC_FN11, KC_FN12, KC_FN13, KC_FN14, KC_FN15, KC_FN16, KC_DELETE,
   _______, _______, _______, _______, _______, _______, _______, KC_FN17, KC_FN18, KC_FN19, KC_FN20, KC_FN21,
   _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  _______,
   _______, _______, _______, KC_CAPS, _______,     _______,      _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END
 ),
 
+  /* FN Layer 2
+   * ,-------------------------------------------------------------------------.
+   * | Esc | Calc|Webhm| Mail| Comp|     |     |     |     |     |PrtSc|       |
+   * |-------------------------------------------------------------------------+
+   * |      |     |     |     |     |     |     |     |     |     |     |      |
+   * |-------------------------------------------------------------------------+
+   * |       |LEDtg|LEDch|     |     |     |     |     |     |     |     |     |
+   * |-------------------------------------------------------------------------+
+   * |     |     |     |     |      |          |       |MousL|MousD|MousU|MousR|
+   * `-------------------------------------------------------------------------'
+   */
+
 LAYOUT( /* Tab */
   KC_ESC,  KC_CALC, KC_WHOM, KC_MAIL, KC_MYCM, _______, _______, _______, _______, _______, KC_PSCR, _______,
   _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,