diff --git a/config/planck_rev6.keymap b/config/planck_rev6.keymap
index c744176..c43af6a 100644
--- a/config/planck_rev6.keymap
+++ b/config/planck_rev6.keymap
@@ -15,32 +15,18 @@
 
 #define ___ &trans
 #define MEH LC(LA(LSHFT))
-
-/* macros */ 
-
-/* custom behaviors */
-
-// homerow mods
-// ZMK_BEHAVIOR(hrm, hold_tap,
-//     flavor = "balanced";
-//     tapping-term-ms = <200>;
-//     quick-tap-ms = <125>;
-//     bindings = <&kp>, <&kp>;
-//     hold-trigger-key-positions = <KEYS_R THUMBS>;
-// )
-
-/* sidedness */ 
-    
+   
 #define KEYS_L LT0 LT1 LT2 LT3 LT4 LT5 LM0 LM1 LM2 LM3 LM4 LM5 LB0 LB1 LB2 LB3 LB4 LB5 // left-hand keys
 #define KEYS_R RT0 RT1 RT2 RT3 RT4 RT5 RM0 RM1 RM2 RM3 RM4 RM5 RB0 RB1 RB2 RB3 RB4 RB5 // right-hand keys
 #define THUMBS LH3 LH2 LH1 RH1 RH2 RH3      
 
-tZMK_BEHAVIOR(hml, hold_tap,
+
+ZMK_BEHAVIOR(hml, hold_tap,
     flavor = "balanced";
     tapping-term-ms = <200>;
     quick-tap-ms = <125>;
     bindings = <&kp>, <&kp>;
-    hold-trigger-key-positions = <KEYS_L THUMBS>;
+    hold-trigger-key-positions = <KEYS_R THUMBS>;
 )
 
 ZMK_BEHAVIOR(hmr, hold_tap,
@@ -48,7 +34,7 @@ ZMK_BEHAVIOR(hmr, hold_tap,
     tapping-term-ms = <200>;
     quick-tap-ms = <125>;
     bindings = <&kp>, <&kp>;
-    hold-trigger-key-positions = <KEYS_R THUMBS>;
+    hold-trigger-key-positions = <KEYS_L THUMBS>;
 )    
     
 
@@ -73,12 +59,11 @@ ZMK_BEHAVIOR(hmr, hold_tap,
 // )
 
 // combos
-// #undef COMBO_TERM
-// #define COMBO_TERM 40  // default 30ms
-
-// ZMK_COMBO(combo_copy,   &kp LC(C),  LB2 LB3, ALL)  // Ctrl + C, active on all layers
-// ZMK_COMBO(combo_paste,  &kp LC(V),  LB1 LB2, ALL)  // Ctrl + V, active on all layers
+#undef COMBO_TERM
+#define COMBO_TERM 30  // default 30ms
 
+ZMK_COMBO(combo_lbrc, &kp LBRC, LB3, LB2, ALL) 
+ZMK_COMBO(combo_rbrc, &kp RBRC, LB2, LB1, ALL) 
 
 /* keymap */
 
@@ -97,14 +82,13 @@ ZMK_LAYER(num_layer,
 )
 
 ZMK_LAYER(nav_layer,
-    ___        ___         ___         ___         ___           ___       ___           &kp HOME     &kp PG_DN    &kp PG_UP   &kp END      ___
-    &caps_word &kp LCTRL   &kp LALT    &kp LCMD    &kp LSHFT     ___       ___           &kp LEFT     &kp DOWN     &kp UP      &kp RIGHT    ___
-    &kp CAPS   &kp LG(Z)   &kp LG(X)   &kp LG(C)   &kp LG(V)     &kp LG(V) ___           &kp LG(LBRC) &kp LG(MINUS) &kp LG(EQUAL) &kp LG(RBRC) ___
-    ___        ___         ___         &kp TAB     &kp SPACE     ___       ___           ___          ___          ___         ___          ___
+    ___        ___         ___         ___         ___           ___       ___    &kp HOME     &kp PG_DN     &kp PG_UP     &kp END      ___
+    &caps_word &kp LCTRL   &kp LALT    &kp LCMD    &kp LSHFT     ___       ___    &kp LEFT     &kp DOWN      &kp UP        &kp RIGHT    ___
+    &kp CAPS   &kp LG(Z)   &kp LG(X)   &kp LG(C)   &kp LG(V)     &kp LG(V) ___    &kp LG(LBRC) &kp LG(MINUS) &kp LG(EQUAL) &kp LG(RBRC) ___
+    ___        ___         ___         &kp TAB     &kp SPACE     ___       ___    ___          ___           ___           ___          ___
 )
 
 ZMK_LAYER(med_layer,
-    //  ___    pinky       ring        middle       index         >>        <<            index        middle       ring         pinky        ___   
     ___        &kp C_PP    ___         &kp C_STOP   &kp C_PLAY    ___       ___           &kp C_PREV   &kp C_VOL_DN &kp C_VOL_UP &kp C_NEXT   ___
     ___        ___         &kp C_PREV  &kp C_VOL_DN &kp C_VOL_UP &kp C_NEXT ___           &kp LSHFT    &kp LCMD     &kp LALT     &kp LCTRL    ___ 
     ___        ___         ___         ___          ___           ___       ___           &kp C_PP     &kp C_VOL_DN &kp C_VOL_UP &kp C_PP     ___