diff --git a/include/FreeRTOS.h b/include/FreeRTOS.h
index 87c67d7..2e4420f 100644
--- a/include/FreeRTOS.h
+++ b/include/FreeRTOS.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/StackMacros.h b/include/StackMacros.h
index dde8136..85c6dd0 100644
--- a/include/StackMacros.h
+++ b/include/StackMacros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/atomic.h b/include/atomic.h
index cd1fd1b..328c396 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/croutine.h b/include/croutine.h
index 89571a0..904f2b2 100644
--- a/include/croutine.h
+++ b/include/croutine.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/deprecated_definitions.h b/include/deprecated_definitions.h
index efa8a87..b7df42a 100644
--- a/include/deprecated_definitions.h
+++ b/include/deprecated_definitions.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/event_groups.h b/include/event_groups.h
index 70ba8d1..6544cc6 100644
--- a/include/event_groups.h
+++ b/include/event_groups.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/list.h b/include/list.h
index ce3e51c..792f13d 100644
--- a/include/list.h
+++ b/include/list.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/message_buffer.h b/include/message_buffer.h
index 1ed4976..ed4b324 100644
--- a/include/message_buffer.h
+++ b/include/message_buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/mpu_prototypes.h b/include/mpu_prototypes.h
index 61f885d..36d6b08 100644
--- a/include/mpu_prototypes.h
+++ b/include/mpu_prototypes.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/mpu_wrappers.h b/include/mpu_wrappers.h
index 841b51a..0e988d9 100644
--- a/include/mpu_wrappers.h
+++ b/include/mpu_wrappers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/portable.h b/include/portable.h
index 774d3b5..c811705 100644
--- a/include/portable.h
+++ b/include/portable.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/projdefs.h b/include/projdefs.h
index fd9072c..8ba033a 100644
--- a/include/projdefs.h
+++ b/include/projdefs.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/queue.h b/include/queue.h
index 89b5fb1..1518ad7 100644
--- a/include/queue.h
+++ b/include/queue.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/semphr.h b/include/semphr.h
index 525a8ec..a858746 100644
--- a/include/semphr.h
+++ b/include/semphr.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/stack_macros.h b/include/stack_macros.h
index c8ef4bd..7b4c698 100644
--- a/include/stack_macros.h
+++ b/include/stack_macros.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/stdint.readme b/include/stdint.readme
index d6c1152..38bcda7 100644
--- a/include/stdint.readme
+++ b/include/stdint.readme
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/stream_buffer.h b/include/stream_buffer.h
index 89f6dfb..0f07ed3 100644
--- a/include/stream_buffer.h
+++ b/include/stream_buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/task.h b/include/task.h
index d17bef8..5d7598b 100644
--- a/include/task.h
+++ b/include/task.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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
diff --git a/include/timers.h b/include/timers.h
index 9bf6cba..807f4a8 100644
--- a/include/timers.h
+++ b/include/timers.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS Kernel V10.4.3
+ * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  * 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