diff --git a/README.md b/README.md
index 21b9802..50d1cd7 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@
 KMK is a feature-rich and beginner-friendly firmware for computer keyboards
 written and configured in
 [CircuitPython](https://github.com/adafruit/circuitpython). **KMK is currently
-in public beta, however should handle almost all workflows without major
-issues**.
+in public beta, and transitioning to a new core, however should handle almost 
+all workflows without major issues**.
 
 You can always find the latest releases on our CDN, in [compiled and
 optimized](https://cdn.kmkfw.io/kmk-latest.zip) and [raw, hackable text
diff --git a/boards/crkbd/main.py b/boards/crkbd/main.py
index 3723479..1997429 100644
--- a/boards/crkbd/main.py
+++ b/boards/crkbd/main.py
@@ -6,7 +6,7 @@ from kmk.modules.split import Split, SplitSide, SplitType
 
 keyboard = KMKKeyboard()
 
-# Adding extentions
+# Adding extensions
 rgb = RGB(pixel_pin=rgb_pixel_pin, num_pixels=27, val_limit=100, hue_default=190, sat_default=100, val_default=5)
 
 # TODO Comment one of these on each side
diff --git a/boards/lily58/main.py b/boards/lily58/main.py
index 3396075..9feedd9 100644
--- a/boards/lily58/main.py
+++ b/boards/lily58/main.py
@@ -22,7 +22,7 @@ RGB_SAD = KC.RGB_SAD
 RGB_VAI = KC.RGB_VAI
 RGB_VAD = KC.RGB_VAD
 
-# Adding extentions
+# Adding extensions
 rgb = RGB(pixel_pin=rgb_pixel_pin, num_pixels=27, val_limit=100, hue_default=190, sat_default=100, val_default=5)
 
 # TODO Comment one of these on each side
diff --git a/boards/reviung39/main.py b/boards/reviung39/main.py
index 5144f81..219861b 100644
--- a/boards/reviung39/main.py
+++ b/boards/reviung39/main.py
@@ -6,7 +6,7 @@ from kmk.modules.modtap import ModTap
 
 keyboard = KMKKeyboard()
 
-# Adding extentions
+# Adding extensions
 rgb = RGB(pixel_pin=keyboard.rgb_pixel_pin, num_pixels=keyboard.rgb_num_pixels, val_limit=100, hue_default=190, sat_default=100, val_default=5)
 
 modtap = ModTap()
diff --git a/boards/reviung41/main.py b/boards/reviung41/main.py
index db632d2..e99554e 100644
--- a/boards/reviung41/main.py
+++ b/boards/reviung41/main.py
@@ -6,7 +6,7 @@ from kmk.modules.modtap import ModTap
 
 keyboard = KMKKeyboard()
 
-# Adding extentions
+# Adding extensions
 rgb = RGB(pixel_pin=keyboard.rgb_pixel_pin, num_pixels=keyboard.rgb_num_pixels, val_limit=100, hue_default=190, sat_default=100, val_default=5)
 
 modtap = ModTap()
diff --git a/boards/tg4x/main.py b/boards/tg4x/main.py
index 4105350..39aa149 100644
--- a/boards/tg4x/main.py
+++ b/boards/tg4x/main.py
@@ -9,7 +9,7 @@ keyboard = KMKKeyboard()
 _______ = KC.TRNS
 XXXXXXX = KC.NO
 
-# Adding extentions
+# Adding extensions
 rgb = RGB(pixel_pin=keyboard.rgb_pixel_pin, num_pixels=keyboard.rgb_num_pixels, val_limit=100, hue_default=190, sat_default=100, val_default=5)
 
 layers_ext = Layers()
diff --git a/docs/Offiially_Supported_Microcontrollers.md b/docs/Offiially_Supported_Microcontrollers.md
index 078a308..e21c649 100644
--- a/docs/Offiially_Supported_Microcontrollers.md
+++ b/docs/Offiially_Supported_Microcontrollers.md
@@ -13,7 +13,7 @@ Features include
 Downsides
 - $25 USD per microcontroller at most retailers
 
-Recommended Retailers
+Common Retailers
 [Boardsource](https://boardsource.xyz/store/5f4a1733bbaa5c635b83ed67)
 [NiceKeyboards](https://nicekeyboards.com/collections/group-buy/products/nice-nano-v1-0).
 
@@ -26,9 +26,21 @@ Downsides
 - Needs adapted to work with Pro Micro pinout keyboards. Adapter can be found 
 [HERE](https://github.com/KMKfw/kmk_firmware/tree/master/hardware)
 
-Recommended Retailers
+Common Retailers
 [Adafruit](https://www.adafruit.com/product/3800)
 
+## RP2040
+Features include
+- Very affordable
+- Very powerful for the price
+
+Downsides
+- Little support for keyboard kits
+
+Common Retailers
+[Adafruit](https://www.adafruit.com/pico?src=raspberrypi)
+[Sparkfun](https://www.sparkfun.com/products/17829?src=raspberrypi)
+
 ## Adafruit ItsyBitsy nRF52840 Express
 Features include
 - Both USB HID and Bluetooth support
@@ -40,6 +52,9 @@ Downsides
 - No battery support without addon board found 
 [HERE](https://www.adafruit.com/product/2124) 
 
+Common Retailers
+[Adafruit](https://www.adafruit.com/product/4481)
+
 ## Other microcontrollers
 What you'll need to have at minimum
 - CircuitPython/KMKpython
diff --git a/docs/ble_hid.md b/docs/ble_hid.md
index 94f211e..368e07b 100644
--- a/docs/ble_hid.md
+++ b/docs/ble_hid.md
@@ -18,7 +18,7 @@ if __name__ == '__main__':
     keyboard.go(hid_type=HIDModes.BLE)
 ```
 
-## Changing the advertisee name
+## Changing the advertise name
 There are two ways to change the advertising name. The first would be to 
 [change the name of the drive](https://learn.adafruit.com/welcome-to-circuitpython/the-circuitpy-drive).
 The second would be to change the keyboard.go() like this.
diff --git a/docs/extensions.md b/docs/extensions.md
index b93e4a7..daba745 100644
--- a/docs/extensions.md
+++ b/docs/extensions.md
@@ -4,7 +4,7 @@ the keyboard. They are meant to be easy to add, and create your own. These live
 a sandbox to help prevent any bad code from crashing your keyboard.
 
 ## Core Extensions
-These extensions are proveded in all builds and can be enabled. Currently offered
+These extensions are provided in all builds and can be enabled. Currently offered
 extensions are
 
 - [International](international.md): Adds international keycodes
diff --git a/docs/international.md b/docs/international.md
index d61dac9..218d72c 100644
--- a/docs/international.md
+++ b/docs/international.md
@@ -1,6 +1,6 @@
 # International Keycodes
-International extention adds keys for non US layouts. It can simply be added to 
-the extentions list.
+International extension adds keys for non US layouts. It can simply be added to 
+the extensions list.
 
 ```python
 from kmk.extensions.international import International
diff --git a/docs/layers.md b/docs/layers.md
index b34fb9c..7c59169 100644
--- a/docs/layers.md
+++ b/docs/layers.md
@@ -1,6 +1,6 @@
 # Layers
 Layers module adds keys for accessing other layers. It can simply be added to
- the extentions list.
+ the extensions list.
 
 ```python
 from kmk.modules.layers import Layers
diff --git a/docs/led.md b/docs/led.md
index 2d0b8b0..be03a1e 100644
--- a/docs/led.md
+++ b/docs/led.md
@@ -1,8 +1,8 @@
 # LED (Mono color backlight)
 Want your keyboard to shine? Add some lights!
 
-## Enabling the extention
-The only required values that you need to give the LED extention would be the 
+## Enabling the extension
+The only required values that you need to give the LED extension would be the 
 pixel pin, and the number of pixels/LED's. If using a split keyboard, this number
 is per side, and not the total of both sides.
 ```python
@@ -28,7 +28,7 @@ keyboard.extensions.append(led_ext)
 ## Configuration
 All of these values can be set by default for when the keyboard boots.
 ```python
-from kmk.extentions.led import AnimationModes
+from kmk.extensions.led import AnimationModes
 led_ext = LED(
     led_pin=led_pin,
     brightness_step=5,
diff --git a/docs/media_keys.md b/docs/media_keys.md
index af9f56e..1091a4d 100644
--- a/docs/media_keys.md
+++ b/docs/media_keys.md
@@ -1,6 +1,6 @@
 # Media Keys
-Media keys extention adds keys for common media control keys. It can simply be 
-added to the extentions list.
+Media keys extension adds keys for common media control keys. It can simply be 
+added to the extensions list.
 
 ```python
 from kmk.extensions.media_keys import MediaKeys
diff --git a/docs/porting_to_kmk.md b/docs/porting_to_kmk.md
index fedf675..912e53a 100644
--- a/docs/porting_to_kmk.md
+++ b/docs/porting_to_kmk.md
@@ -6,7 +6,7 @@ import board
 
 from kmk.kmk_keyboard import KMKKeyboard as _KMKKeyboard
 from kmk.matrix import DiodeOrientation
-{EXTENTIONS_IMPORT}
+{EXTENSIONS_IMPORT}
 
 class KMKKeyboard(_KMKKeyboard):
 {REQUIRED}
@@ -23,11 +23,11 @@ colums and the diode direction (if any), should be defined like this
     diode_orientation = DiodeOrientation.COLUMNS
 ```
 
-## Additional pins for extentions
-KMK includes built in extentions for RGB and split keyboards, and powersave. If
+## Additional pins for extensions
+KMK includes built in extensions for RGB and split keyboards, and powersave. If
 these are applicible on your keyboard/microcontroller, the pins should be added
-here. Refer to the instructions on the respective extentions page on how to add 
-them. If not adding any extentions, leave this as an empty list as shown.
+here. Refer to the instructions on the respective extensions page on how to add 
+them. If not adding any extensions, leave this as an empty list as shown.
 
 # Coord mapping
 If your keyboard is not built electrically as a square (though most are), you can
@@ -50,7 +50,7 @@ from kmk.matrix import intify_coordinate as ic
 ## Keymaps
 Keymaps are organized as a list of lists. Keycodes are added for every key on 
 each layer. See [keycodes](keycodes.md) for more details on what keycodes are 
-avaliable. If using layers or other extentions, also refer to the extentions 
+avaliable. If using layers or other extensions, also refer to the extensions 
 page for additional keycodes.
 ```python
 from kb import KMKKeyboard
diff --git a/docs/power.md b/docs/power.md
index 9df0e05..19757a2 100644
--- a/docs/power.md
+++ b/docs/power.md
@@ -9,7 +9,7 @@ based keyboards.
 |`KC.PS_ON `            |Turns powersave on       |
 |`KC.PS_OFF `           |Turns powersave off      |
 
-# Enabling the extention
+# Enabling the extension
 To turn on basic power saving, this is all that is required.
 ```python
 from kmk.modules.power import Power
diff --git a/docs/rgb.md b/docs/rgb.md
index b0b508a..458705d 100644
--- a/docs/rgb.md
+++ b/docs/rgb.md
@@ -105,7 +105,7 @@ If you want to create your own animations, or for example, change the lighting i
 |`keyboard.pixels.animation_speed`  |`1`        |Increases animation speed of most animations. Recommended 1-5, Maximum 10.                                 |
 
 ```python
-from kmk.extentions.rgb import AnimationModes
+from kmk.extensions.rgb import AnimationModes
 rgb_ext = RGB(pixel_pin=rgb_pixel_pin,
         num_pixels=27
         num_pixels=0,
diff --git a/docs/split_keyboards.md b/docs/split_keyboards.md
index d8eeedf..a2e0581 100644
--- a/docs/split_keyboards.md
+++ b/docs/split_keyboards.md
@@ -1,10 +1,11 @@
 # Split Keyboards
-Split keyboards are mostly the same as unsplit. Wired UART and Bluetooth are supported.
+Split keyboards are mostly the same as unsplit. Wired UART is fully supported,
+and testing of bluetooth splits, though we don't currently offer support for this.
 
 
 ## Wired UART
 Wired connections can use UART over 1 or 2 wires. With 2 wires, you will be able
-to syncronize the halves allowing additional features in some extentions.
+to syncronize the halves allowing additional features in some extensions.
 ```python
 from kb import data_pin
 :from kmk.modules.split import Split, SplitType
@@ -13,8 +14,8 @@ split = Split(split_side=SplitSide.LEFT)
 keyboard.modules.append(split)
 ```
 
-## Bluetooth split (aka no TRRS)
-Wireless splits are fully featured with 2 way communication allowing all extentions to work 100%.
+## Bluetooth split (aka no TRRS) [Currently in testing]
+Wireless splits are fully featured with 2 way communication allowing all extensions to work 100%.
 ```python
 from kb import data_pin
 from kmk.modules.split import Split, SplitType, Split_Side
diff --git a/kmk/modules/power.py b/kmk/modules/power.py
index d25845b..b0a09d6 100644
--- a/kmk/modules/power.py
+++ b/kmk/modules/power.py
@@ -57,7 +57,7 @@ class Power(Module):
             self.psleep()
 
     def on_powersave_enable(self, keyboard):
-        '''Gives 10 cycles to allow other extentions to clean up before powersave'''
+        '''Gives 10 cycles to allow other extensions to clean up before powersave'''
         if self._loopcounter > 10:
             self.enable_powersave(keyboard)
             self._loopcounter = 0