diff --git a/README.md b/README.md
index 8a28faa..dd543c4 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,17 @@
 # Corne
 
+[1](/photo/1.jpg)
+[2](/photo/2.jpg)
+[3](/photo/3.jpg)
+[4](/photo/4.jpg)
+
 ## Case 
 printed in MJF(Nylon) - Dyed black  
 Design from [VOID](https://www.printables.com/model/347524-corne-keyboard-case)  
 
 ## Keycaps 
+
+[print](/photo/piece.jpg)
 printed in MJF(Nylon) - Natural color  
 Profile : Distorted Ellipsoidal Saddle (DES)  
 files generated and modified to be printed thanks to [pseudoku](https://github.com/pseudoku/PseudoMakeMeKeyCapProfiles)
diff --git a/config/corne.keymap b/config/corne.keymap
index cd5015d..8372039 100644
--- a/config/corne.keymap
+++ b/config/corne.keymap
@@ -15,11 +15,12 @@
 #define FUNCTION    3
 
 /* ================
- * MACRO DEFINITION
+ * MACRO AND MODTAP
  * ================
  */
 
  / {
+    // maccro example 
     macros {
         // EURO SYMBOL
         ZMK_MACRO(EURO,
@@ -28,6 +29,19 @@
         bindings = <&kp Z &kp M &kp K>;
         )
     };
+    // mod tap customs
+    behaviors {
+    gqt: global-quick-tap {
+        compatible = "zmk,behavior-hold-tap";
+        label = "GLOBAL_QUICK_TAP";
+        #binding-cells = <2>;
+        flavor = "tap-preferred";
+        tapping-term-ms = <200>;
+        quick-tap-ms = <125>;
+        global-quick-tap;
+        bindings = <&kp>, <&kp>;
+        };
+    };
 };
 
 /* ====================
@@ -42,6 +56,8 @@
 
 
 
+
+
 /* =================
  * KEYMAP DEFINITION
  * =================
@@ -53,28 +69,28 @@
 
                 DEFAULT {
 // -----------------------------------------------------------------------------------------
-// |  - _  |  Q  |  W  |  F    |  P  |  Bootloader (B)  |  J  |  L   |  U  |  Y  |  ;  |  + = |
-// | TAB   |  A  |  R  |  S    |  T  |  G  |            |  M  |  N   |  E  |  I  |  O  |  GUI |
-// |ESC/DEL|  Z  |  X  |  C    |  D  |  V  |            |  K  |  H   |  ,< |  .> |  /? |  ~ ` |
+// |  - _  |  Q  |  W  |  F    |  P  |  B  |            |  J  |  L   |  U  |  Y  |  ;  |  + = |
+// | TAB   |  A  |  R  | S/ALT |  T  |  G  |            |  M  |  N   |  E  |  I  |  O  |  GUI |
+// |ESC/SHT|  Z  |  X  |  C    |  D  |  V  |            |  K  |  H   |  ,< |  .> |  /? |  ~ ` |
 //                     |ENT/CTL| SPC | BCK |            | SYM |  SFT |'"/FN|
                         bindings = <
-   &kp MINUS   &kp Q &kp W &kp F &kp P &bootloader   &kp J &kp L     &kp U     &kp Y   &kp SEMI &kp EQUAL
-   &kp TAB     &kp A &kp R &kp S &kp T &kp G         &kp M &kp N     &kp E     &kp I   &kp O    &kp LGUI
-   &mt DEL ESC &kp Z &kp X &kp C &kp D &kp V         &kp K &kp H     &kp COMMA &kp DOT &kp FSLH &kp GRAVE
-          &mt LCTRL RET &lt 2 SPACE &kp BSPC      &mo 1 &kp LSHFT &lt 3 SQT
+   &kp MINUS     &kp Q &kp W &kp F          &kp P    &kp B          &kp J &kp L     &kp U     &kp Y   &kp SEMI &kp EQUAL
+   &kp TAB       &kp A &kp R &gqt LALT S &kp T    &kp G          &kp M &kp N     &kp E     &kp I   &kp O    &kp LGUI
+   &mt LSHFT DEL &kp Z &kp X &kp C          &kp D    &kp V          &kp K &kp H     &kp COMMA &kp DOT &kp FSLH &kp GRAVE
+                       &mt LCTRL RET   &lt 2 SPACE &kp BSPC       &mo 1 &kp LSHFT &lt 3 SQT
                         >;
                 };
                 SYMBOLE {
 // -----------------------------------------------------------------------------------------
-// |      |  1  |  2  |  3  |  4  |  5  |   |  6  |  7  |  8  |  9  |  0  |      |
-// |      |  !  |  @  |  #  |  $  |  %  |   |  €  |  ^  |  &  |  *  |  |  |      |
-// |      |  (  |  )  |  [  |  ]  |     |   |     |  {  |  }  |     |  \  |      |
-//                    |     |     |     |   | NAV |     |     |
+// |      |  1  |  2  |  3    |  4  |  5  |   |  6  |  7  |  8  |  9  |  0  |      |
+// | TAB  |  !  |  @  |  #    |  $  |  %  |   |  €  |  ^  |  &  |  *  |  |  |      |
+// |      |  (  |  )  |  [    |  ]  |     |   |     |  {  |  }  |     |  \  |      |
+//                    |ENT/CTL| SPC | BCK |   | NAV |     |     |
                         bindings = <
    &none  &kp N1    &kp N2   &kp N3   &kp N4    &kp N5         &kp N6       &kp N7    &kp N8   &kp N9   &kp N0   &none
-   &none  &kp EXCL  &kp AT   &kp HASH &kp DLLR  &kp PRCNT      &kp RA(N5)   &kp CARET &kp AMPS &kp STAR &kp PIPE &none
+   &trans &kp EXCL  &kp AT   &kp HASH &kp DLLR  &kp PRCNT      &kp RA(N5)   &kp CARET &kp AMPS &kp STAR &kp PIPE &none
    &none  &kp LPAR  &kp RPAR &kp LBKT &kp RBKT  &none          &none        &kp LBRC  &kp RBRC &none    &kp BSLH &none
-                               &none   &none    &none          &none        &mo 2     &none
+                             &trans   &trans    &trans          &none        &mo 2     &none
                         >;
                 };
 
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