diff --git a/CMakeLists.txt b/CMakeLists.txt
index 82ea832..735cf22 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.12)
 
-# Pull in PICO SDK (must be before project)
+# Pull in SDK (must be before project)
 include(pico_sdk_import.cmake)
 
 project(pico_examples C CXX ASM)
diff --git a/README.md b/README.md
index 33ae265..1c88458 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# PICO SDK Examples
+# Raspberry Pi Pico SDK Examples
 
 ## Getting started
 
@@ -7,9 +7,9 @@ on getting up and running.
 
 ### First  Examples
 
-App | Description | Link to prebuilt UF2
+App|Description | Link to prebuilt UF2
 ---|---|---
-[hello_serial](hello_world/serial) | The obligatory Hello World program for Pico (Output over serial version) | https://rptl.io/pico-hello-serial
+[hello_serial](hello_world/serial) | The obligatory Hello World program for Pico (Output over serial version) | 
 [hello_usb](hello_world/usb) | The obligatory Hello World program for Pico (Output over USB version) | https://rptl.io/pico-hello-usb
 [blink](blink) | Blink an LED on and off. | https://rptl.io/pico-blink
 
diff --git a/pico_sdk_import.cmake b/pico_sdk_import.cmake
index f63ee3f..28efe9e 100644
--- a/pico_sdk_import.cmake
+++ b/pico_sdk_import.cmake
@@ -3,8 +3,6 @@
 # This can be dropped into an external project to help locate this SDK
 # It should be include()ed prior to project()
 
-# todo document
-
 if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
     set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
     message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
@@ -20,8 +18,8 @@ if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_P
     message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
 endif ()
 
-set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the PICO SDK")
-set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of PICO SDK from git if not otherwise locatable")
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
 set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
 
 if (NOT PICO_SDK_PATH)
@@ -37,14 +35,14 @@ if (NOT PICO_SDK_PATH)
                 GIT_TAG master
         )
         if (NOT pico_sdk)
-            message("Downloading PICO SDK")
+            message("Downloading Raspberry Pi Pico SDK")
             FetchContent_Populate(pico_sdk)
             set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
         endif ()
         set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
     else ()
         message(FATAL_ERROR
-                "PICO SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
                 )
     endif ()
 endif ()
@@ -56,9 +54,9 @@ endif ()
 
 set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
 if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
-    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the PICO SDK")
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
 endif ()
 
-set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the PICO SDK" FORCE)
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
 
 include(${PICO_SDK_INIT_CMAKE_FILE})
diff --git a/pio/st7789_lcd/st7789_lcd.c b/pio/st7789_lcd/st7789_lcd.c
index f191557..dde9efe 100644
--- a/pio/st7789_lcd/st7789_lcd.c
+++ b/pio/st7789_lcd/st7789_lcd.c
@@ -102,7 +102,7 @@ int main() {
     gpio_put(PIN_BL, 1);
 
     // Other SDKs: static image on screen, lame, boring
-    // Pico SDK: spinning image on screen, bold, exciting
+    // Raspberry Pi Pico SDK: spinning image on screen, bold, exciting
 
     // Lane 0 will be u coords (bits 8:1 of addr offset), lane 1 will be v
     // coords (bits 16:9 of addr offset), and we'll represent coords with