diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 377813b07..bc5e1d150 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Checkout Parent Repo
         uses: actions/checkout@v2
         with:
-          ref: master
+          ref: main
           repository: aws/aws-iot-device-sdk-embedded-C
           path: main
       - name: Clone This Repo
diff --git a/.github/workflows/header-checks.yml b/.github/workflows/header-checks.yml
index c249ea4ee..4d9546c4b 100644
--- a/.github/workflows/header-checks.yml
+++ b/.github/workflows/header-checks.yml
@@ -1,6 +1,6 @@
 name: FreeRTOS-Header-Checker
 
-on: [pull_request]          
+on: [pull_request]
 
 jobs:
   header-checker:
@@ -12,15 +12,15 @@ jobs:
         uses: actions/setup-python@v2
         with:
           python-version: 3.8.5
-          architecture:   x64  
-        env:  
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 
-      
+          architecture:   x64
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       # Get latest checks from master
       - name: Checkout FreeRTOS Tools
         uses: actions/checkout@v2
         with:
-          repository: FreeRTOS/FreeRTOS 
+          repository: FreeRTOS/FreeRTOS
           ref:  master
           path: tools
 
@@ -29,18 +29,18 @@ jobs:
         uses: actions/checkout@v2
         with:
           ref:  ${{ github.event.pull_request.head.sha }}
-          path: inspect  
-          
+          path: inspect
+
       # Collect all affected files
       - name: Collecting changed files
         uses: lots0logs/gh-action-get-changed-files@2.1.4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-      
-      # Run checks     
+
+      # Run checks
       - name: Check File Headers
         run: |
           cd inspect
           ../tools/.github/scripts/check-header.py --kernel --json ${HOME}/files.json
           exit $?
-                  
+
diff --git a/include/stdint.readme b/include/stdint.readme
index 6d86149ca..26592bfbd 100644
--- a/include/stdint.readme
+++ b/include/stdint.readme
@@ -1,3 +1,28 @@
+/*
+ * FreeRTOS Kernel V10.4.2
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
 
 #ifndef FREERTOS_STDINT
 #define FREERTOS_STDINT
@@ -10,7 +35,7 @@
  * To use this file:
  *
  *    1) Copy this file into the directory that contains your FreeRTOSConfig.h
- *       header file, as that directory will already be in the compilers include
+ *       header file, as that directory will already be in the compiler's include
  *       path.
  *
  *    2) Rename the copied file stdint.h.