diff --git a/README.md b/README.md
index 140141c..ee04678 100644
--- a/README.md
+++ b/README.md
@@ -69,15 +69,24 @@ include:
     artifact-name: chuck-unibody
 ```
 
-Modify your `config/one-up-chuck.conf` file with these changes:
+Modify your `config/one-up-chuck.conf` file with these suggested changes:
 
 ```conf
+# Enable encoder
 CONFIG_EC11=y
 CONFIG_EC11_TRIGGER_GLOBAL_THREAD=y
+
+# Enable mouse scrolling on the encoder
+CONFIG_ZMK_POINTING=y
+CONFIG_ZMK_POINTING_SMOOTH_SCROLLING=y
+
+# Enable ZMK Studio
 CONFIG_ZMK_STUDIO=y
 
 ```
 
+See the pre-compiled firmware [config file][config] for additional settings.
+
 To customize the keymap for your One Up Chuck board, you can copy the
 [default keymap][keymap] from this repo to the `config` directory of
 your zmk config repo and edit it from there.
@@ -88,4 +97,5 @@ Default Keymap:
 
 [keymap]: https://github.com/ctranstrum/chuck/tree/zmk/boards/shields/chuck/one_up_chuck.keymap
 [chuck]: https://github.com/ctranstrum/chuck
+[config]: config/one-up-chuck.conf
 [zmk]: https://zmk.dev/docs/user-setup#github-repo
diff --git a/boards/shields/chuck/one_up_chuck.keymap b/boards/shields/chuck/one_up_chuck.keymap
index c154f21..234feba 100644
--- a/boards/shields/chuck/one_up_chuck.keymap
+++ b/boards/shields/chuck/one_up_chuck.keymap
@@ -64,13 +64,13 @@
         combo_backspace {
             key-positions = <4 5 6>;
             bindings = <&kp BSPC>;
-            layers = <0>;
+            layers = <0 1>;
         };
 
         combo_return {
             key-positions = <14 15 16>;
             bindings = <&kp RET>;
-            layers = <0>;
+            layers = <0 1>;
         };
 
         combo_left_paren {
@@ -193,9 +193,9 @@
         };
 
         scroll_rotation: sensor_rotation_scroll {
-            compatible = "zmk,behavior-sensor-rotate";
-            #sensor-binding-cells = <0>;
-            bindings = <&msc SCRL_UP>, <&msc SCRL_DOWN>;
+            compatible = "zmk,behavior-sensor-rotate-var";
+            #sensor-binding-cells = <2>;
+            bindings = <&msc>, <&msc>;
         };
 
         sscw: sticky_shift_caps_word {
@@ -265,7 +265,7 @@
 //                                     ┗━━━━━━━┛  ┗━━━━━━━┛
             >;
 
-            sensor-bindings = <&scroll_rotation>;
+            sensor-bindings = <&scroll_rotation MOVE_UP MOVE_DOWN>;
         };
 
         num {
diff --git a/config/one_up_chuck.conf b/config/one_up_chuck.conf
index 837ad89..c016258 100644
--- a/config/one_up_chuck.conf
+++ b/config/one_up_chuck.conf
@@ -11,7 +11,11 @@ CONFIG_RGBLED_WIDGET_BATTERY_LEVEL_HIGH=33
 CONFIG_RGBLED_WIDGET_BATTERY_LEVEL_LOW=15
 CONFIG_RGBLED_WIDGET_BATTERY_LEVEL_CRITICAL=10
 CONFIG_RGBLED_WIDGET_CONN_BLINK_MS=2000
+
+# RGBled color bits: r=4 g=2 b=1
+# white LED for unpaired
 CONFIG_RGBLED_WIDGET_CONN_COLOR_ADVERTISING=7
+# magenta LED for disconnected
 CONFIG_RGBLED_WIDGET_CONN_COLOR_DISCONNECTED=5
 
 # Set defaults for macros
@@ -24,6 +28,7 @@ CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=3600000
 
 # Mouse
 CONFIG_ZMK_POINTING=y
+CONFIG_ZMK_POINTING_SMOOTH_SCROLLING=y
 
 # Increase Bluetooth signal
 #CONFIG_BT_CTLR_TX_PWR_PLUS_8=y