diff --git a/keyboards/yushakobo/helix_type_r/keymaps/default/keymap.c b/keyboards/yushakobo/helix_type_r/keymaps/default/keymap.c
index 2dd1432e8c2..9643e44dbbe 100644
--- a/keyboards/yushakobo/helix_type_r/keymaps/default/keymap.c
+++ b/keyboards/yushakobo/helix_type_r/keymaps/default/keymap.c
@@ -128,13 +128,13 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 static bool mode_windows = false;
 
 void encoder_update_user(uint8_t index, bool clockwise) {
-    if (index == 0) { /* Master side encoder */
+    if (index == 0) { /* Left side encoder */
         if (clockwise) {
             tap_code(KC_PGDN);
         } else {
             tap_code(KC_PGUP);
         }
-    } else if (index == 1) { /* Slave side encoder */
+    } else if (index == 1) { /* Right side encoder */
         if (clockwise) {
             tap_code(KC_DOWN);
         } else {
diff --git a/keyboards/yushakobo/helix_type_r/keymaps/default4/keymap.c b/keyboards/yushakobo/helix_type_r/keymaps/default4/keymap.c
index 72ad12c558a..6907f695b41 100644
--- a/keyboards/yushakobo/helix_type_r/keymaps/default4/keymap.c
+++ b/keyboards/yushakobo/helix_type_r/keymaps/default4/keymap.c
@@ -118,13 +118,13 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 static bool mode_windows = false;
 
 void encoder_update_user(uint8_t index, bool clockwise) {
-    if (index == 0) { /* Master side encoder */
+    if (index == 0) { /* Left side encoder */
         if (clockwise) {
             tap_code(KC_PGDN);
         } else {
             tap_code(KC_PGUP);
         }
-    } else if (index == 1) { /* Slave side encoder */
+    } else if (index == 1) { /* Right side encoder */
         if (clockwise) {
             tap_code(KC_DOWN);
         } else {
diff --git a/keyboards/yushakobo/helix_type_r/keymaps/via/keymap.c b/keyboards/yushakobo/helix_type_r/keymaps/via/keymap.c
index 14d7b4a88f6..e6917c23270 100644
--- a/keyboards/yushakobo/helix_type_r/keymaps/via/keymap.c
+++ b/keyboards/yushakobo/helix_type_r/keymaps/via/keymap.c
@@ -128,13 +128,13 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 static bool mode_windows = false;
 
 void encoder_update_user(uint8_t index, bool clockwise) {
-    if (index == 0) { /* Master side encoder */
+    if (index == 0) { /* Left side encoder */
         if (clockwise) {
             tap_code(KC_PGDN);
         } else {
             tap_code(KC_PGUP);
         }
-    } else if (index == 1) { /* Slave side encoder */
+    } else if (index == 1) { /* Right side encoder */
         if (clockwise) {
             tap_code(KC_DOWN);
         } else {