diff --git a/.helix/languages.toml b/.helix/languages.toml
new file mode 100644
index 000000000..d0474ef50
--- /dev/null
+++ b/.helix/languages.toml
@@ -0,0 +1,4 @@
+[[language]]
+name = "devicetree"
+file-types = ["keymap", "dts", "dtsi", "overlay"]
+auto-format = true
diff --git a/config/totem.keymap b/config/totem.keymap
index 5d6096877..56134e301 100644
--- a/config/totem.keymap
+++ b/config/totem.keymap
@@ -71,9 +71,7 @@ MORP_SHIFT(M_FSLH,  &kp FSLH,  &kp BSLH)
 
 #define SYMB_RET   &tlt SYMB RET
 #define NAVI_SPC   &tlt NAVI SPACE
-#define SHFT_BSP   &tmt LSHFT BSPC
-#define SYMB_LANG  &tlt SYMB LC(SPACE)
-
+#define SYMB_BSPC  &tlt SYMB BSPC
 #define A_LEFT     &kp LA(LEFT)
 #define A_RIGHT    &kp LA(RIGHT)
 #define A_UP       &kp LA(UP)
@@ -91,7 +89,7 @@ ZMK_LAYER(base_layer, /*
 */&kp Z        &kp X        &kp C        &kp V        &kp B         &kp N        &kp M        &M_COMMA     &M_DOT       &M_FSLH   /*
 ╰────────────┴────────────┴────────────┴────────────┴────────────╯╰────────────┴────────────┴────────────┴────────────┴────────────╯
 ╭────────────╮            ╭────────────┬────────────┬────────────╮╭────────────┬────────────┬────────────╮            ╭────────────╮
-*/SCR_PRV      &none        SCR_NXT      SYMB_RET     NAVI_SPC      SHFT_BSP     SYMB_LANG    &kp C_PP     &none        &kp APOS  /*
+*/SCR_PRV      &none        SCR_NXT      SYMB_RET     NAVI_SPC      &sk LSHFT    SYMB_BSPC    &kp C_PP     &none        &kp APOS  /*
 ╰────────────╯            ╰────────────┴────────────┴────────────╯╰────────────┴────────────┴────────────╯            ╰────────────╯
 */)
 
@@ -124,11 +122,6 @@ ZMK_LAYER(symb_layer, /*
 /*=====================*/
 /* Combo               */
 /*=====================*/
-#define COMBO_TERM_FAST 18
-#define COMBO_TERM_SLOW 30
-#define COMBO_IDLE_FAST 150
-#define COMBO_IDLE_SLOW 50
-
 /*
     ╭─────────────────────╮ ╭─────────────────────╮
     │ LT4 LT3 LT2 LT1 LT0 │ │ RT0 RT1 RT2 RT3 RT4 │
@@ -137,6 +130,23 @@ ZMK_LAYER(symb_layer, /*
 ╰───────────╮ LH2 LH1 LH0 │ │ RH0 RH1 RH2 ╭───────────╯
             ╰─────────────╯ ╰─────────────╯ 
 */
+#define COMBO_TERM_FAST 18
+#define COMBO_TERM_SLOW 30
+#define COMBO_IDLE_FAST 150
+#define COMBO_IDLE_SLOW 50
+
+/*
+╭────────────┬────────────┬────────────┬────────────┬────────────╮╭────────────┬────────────┬────────────┬────────────┬────────────╮
+     LT4          LT3     -    LT2     +    LT1          LT0           RT0          RT1     ^    RT2     $    RT3          RT4      
+├────────────┼──── - ─────┼──── / ─────┼──── * ─────┼────────────┤├────────────┼─── ( { ────┼─── ) } ────┼────────────┼────────────┤
+     LM4          LM3    Tab   LM2   Enter  LM1    Bspc  LM0           RM0     %    RM1    ( {   RM2    ) }   RM3          RM4      
+├────────────┼──── / ─────┼──── * ─────┼──── f ─────┼────────────┤├────────────┼────────────┼────────────┼────────────┼────────────┤
+     LB4          LB3     |    LB2     &    LB1          LB0           RB0          RB1    < [   RB2    > ]   RB3          RB4      
+╰────────────┴────────────┴────────────┴────────────┴────────────╯╰────────────┴────────────┴────────────┴────────────┴────────────╯
+╭────────────╮            ╭────────────┬────────────┬────────────╮╭────────────┬────────────┬────────────╮            ╭────────────╮
+     LA0                       LH2          LH1          LH0           RH0          RH1          RH2                       RA0      
+╰────────────╯            ╰────────────┴────────────┴────────────╯╰────────────┴────────────┴────────────╯            ╰────────────╯
+*/
 ZMK_COMBO(l_amps   , &kp AMPS     , LT1 LT2, BASE NAVI SYMB, COMBO_TERM_FAST, COMBO_IDLE_FAST)
 ZMK_COMBO(l_pipe   , &kp PIPE     , LT2 LT3, BASE NAVI SYMB, COMBO_TERM_FAST, COMBO_IDLE_FAST)
 ZMK_COMBO(l_bspc   , &kp BSPC     , LM0 LM1, BASE NAVI SYMB, COMBO_TERM_FAST, COMBO_IDLE_FAST)
@@ -161,7 +171,7 @@ ZMK_COMBO(r_rbrc   , RX34(RBRC)   , RM3 RM4, BASE NAVI SYMB, COMBO_TERM_FAST, CO
 ZMK_COMBO(r_lt     , &kp LT       , RB1 RB2, BASE NAVI SYMB, COMBO_TERM_FAST, COMBO_IDLE_FAST)
 ZMK_COMBO(r_gt     , &kp GT       , RB2 RB3, BASE NAVI SYMB, COMBO_TERM_FAST, COMBO_IDLE_FAST)
 
-ZMK_COMBO(r_symb   , &mo SYMB     , LH0 RH0, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
+ZMK_COMBO(r_lang   , &kp LC(SPACE), LH0 RH0, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
 ZMK_COMBO(r_scr_tab, SCR_TAB      , LA0 LH2, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
 
 ZMK_COMBO(ble_sel_1, &bt BT_SEL 1 , LT4 LB4, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
@@ -169,3 +179,4 @@ ZMK_COMBO(ble_sel_2, &bt BT_SEL 2 , LT3 LB3, BASE NAVI SYMB, COMBO_TERM_SLOW, CO
 ZMK_COMBO(ble_sel_3, &bt BT_SEL 3 , LT2 LB2, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
 ZMK_COMBO(ble_sel_4, &bt BT_SEL 4 , LT1 LB1, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
 ZMK_COMBO(ble_clear, &bt BT_CLR   , LT0 LB0, BASE NAVI SYMB, COMBO_TERM_SLOW, COMBO_IDLE_SLOW)
+