diff --git a/FAQ.dev.md b/FAQ.dev.md
index 4eb0a64e2..9e2cabce9 100644
--- a/FAQ.dev.md
+++ b/FAQ.dev.md
@@ -9,12 +9,15 @@
 * Make sure the packer script is in root of the 128GB-USBDrive
   * If it is not there download: 
   * `curl -O -L https://raw.githubusercontent.com/raspiblitz/raspiblitz/dev/ci/packer.sh`
-* Security read/check script and then start build with (replace parameters):
-* `sudo bash ./packer.sh [BRANCH] [arm|x86] [min|fat] [?LASTCOMMITHASH]`
+* Security read/check script and compare checksum:
+  * `shasum -a 256 ./ci/packer.sh` or
+  * `shasum -a 256 packer.sh`
+* Start build with:
+* `sudo bash ./packer.sh` and enter:
   * `BRANCH` = the branch name on this repo of which the image should be build
   * `[arm|x86]` = The architecture the image is targeting (RaspberryPi = `arm`)
   * `[min|fat]` = lean or fatpack (fatpack prepackages lots of apps already with the image)
-  * `LASTCOMMITHASH` (optional) = security check & copy the latest commit hash of the branch you want to build
+  * `LASTCOMMITHASH` (optional) = security check & copy the latest commit hash of the branch you want to build (substring is ok)
  
 ### What is the process of creating a new RaspberryPi SD card image release manually?
 
diff --git a/ci/packer.sh b/ci/packer.sh
index 485310cca..34c49a885 100644
--- a/ci/packer.sh
+++ b/ci/packer.sh
@@ -31,7 +31,7 @@ if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
 
   # by input
   read -p "Press ENTER to continue or CTRL+C to exit"
-  read -p "Enter the branch to build (default: dev): " BRANCH
+  read -p "Enter the branch to build: " BRANCH
   read -p "Enter the architecture to build (arm|x86): " ARCH
   read -p "Enter the type to build (min|fat): " TYPE
   read -p "Enter the last commit hash to check (optional): " COMMITHASH