Merge pull request #195133 from pacien/update-scripts-help-trivial-fixes

fix some package names in update script help text (trivial)

pkgs/applications/networking/instant-messengers/element/keytar/update.sh

···
 #!nix-shell -I nixpkgs=../../../../../../ -i bash -p wget prefetch-yarn-deps yarn
 
 if [ "$#" -gt 1 ] || [[ "$1" == -* ]]; then
-  echo "Regenerates packaging data for the seshat package."
+  echo "Regenerates packaging data for the keytar package."
   echo "Usage: $0 [git release tag]"
   exit 1
 fi

pkgs/servers/web-apps/hedgedoc/update.sh

···
 cd "$(dirname "$0")"
 
 if [ "$#" -gt 1 ] || [[ "$1" == -* ]]; then
-  echo "Regenerates packaging data for the element packages."
+  echo "Regenerates packaging data for the hedgedoc packages."
   echo "Usage: $0 [git release tag]"
   exit 1
 fi