diff --git a/InstallFullDB.sh b/InstallFullDB.sh
index cbfa7f85e..51b532968 100755
--- a/InstallFullDB.sh
+++ b/InstallFullDB.sh
@@ -2880,6 +2880,9 @@ function show_help
   echo "   -World"
   echo "    Install world db only using none root user defined in $CONFIG_FILE"
   echo
+  echo "   -UpdateCore"
+  echo "    Install core updates only using none root user defined in $CONFIG_FILE"
+  echo
   echo "   -InstallAll rootuser rootpass"
   echo "    Install all db by droping previous ones and recreate them from scratch"
   echo "    Require root access with arg1 as root username and arg2 as root password"
@@ -2979,4 +2982,4 @@ if [[ "$1" != "" ]]; then
 fi
 
 # launch main menu
-main_menu
\ No newline at end of file
+main_menu