docs: Clarifications within New Shield page (#1130)

Co-authored-by: Cem Aksoylar <caksoylar@users.noreply.github.com>

docs/docs/development/new-shield.md

@@ -48,16 +48,16 @@ shield to get it picked up for ZMK, `Kconfig.shield` and `Kconfig.defconfig`.
 
 ### Kconfig.shield
 
-The `Kconfig.shield` file defines any additional Kconfig settings that may be relevant when using this keyboard. For most keyboards, there is just one additional configuration value for the shield itself, e.g.:
+The `Kconfig.shield` file defines any additional Kconfig settings that may be relevant when using this keyboard. For most keyboards, there is just one additional configuration value for the shield itself.
 
 ```
 config SHIELD_MY_BOARD
 	def_bool $(shields_list_contains,my_board)
 ```
 
-This will make sure the new configuration `SHIELD_MY_BOARD` is set to true whenever `my_board` is added as a shield in your build.
+This will make sure that a new configuration value named `SHIELD_MY_BOARD` is set to true whenever `my_board` is used as the shield name, either as the `SHIELD` variable [in a local build](build-flash.md) or in your `build.yaml` file [when using Github Actions](../customization). Note that this configuration value will be used in `Kconfig.defconfig` to set other properties about your shield, so make sure that they match. 
 
-**For split boards**, you will need to add configurations for the left and right sides.
+**For split boards**, you will need to add configurations for the left and right sides. For example, if your split halves are named `my_board_left` and `my_board_right`, it would look like this:
 
 ```
 config SHIELD_MY_BOARD_LEFT
@@ -84,7 +84,7 @@ Do not make the keyboard name too long, otherwise the bluetooth advertising migh
 if SHIELD_MY_BOARD
 
 config ZMK_KEYBOARD_NAME
-	default "My Awesome Keyboard"
+	default "My Board"
 
 endif
 ```
@@ -98,7 +98,7 @@ Finally, you'll want to turn on the split option for both sides. This can all be
 if SHIELD_MY_BOARD_LEFT
 
 config ZMK_KEYBOARD_NAME
-	default "My Awesome Keyboard"
+	default "My Board"
 
 config ZMK_SPLIT_BLE_ROLE_CENTRAL
 	default y