Apply suggestions from code review

Co-authored-by: Mike McCready <66998419+MikeMcC399@users.noreply.github.com>

Author: nschonni

update.sh

@@ -148,9 +148,9 @@ function update_node_version() {
       if [ -z "$checksum" ]; then
         rm -f "${dockerfile}-tmp"
         if [ "${SKIP_ALPINE}" = true ]; then
-          echo "${nodeVersion} is missing the Musl build, but skipping for security release!"
+          echo "${nodeVersion} is missing the musl build, but skipping for security release!"
         else
-          fatal "Failed to fetch checksum for version ${nodeVersion}"
+          fatal "Failed to fetch checksum for musl build version ${nodeVersion}"
         fi
       else
         sed -Ei -e "s/(alpine:)0.0/\\1${alpine_version}/" "${dockerfile}-tmp"