diff --git a/vmcreate1.sh b/vmcreate1.sh
index 923cb44..0d32c6e 100644
--- a/vmcreate1.sh
+++ b/vmcreate1.sh
@@ -9,6 +9,7 @@ show_help()
     echo "-k - embed custom public key or create new if 'pub_keyfile' not specified"
     echo "\nIf file not specified, script will use arguments as a list of IP addresses."
     echo "In this case Hostname will be inherited from 2 last IP octets. Example for 10.10.35.20: 'vm035020'."
+    echo "IP address should be 10.10.*.*"
 
 
 # Обрабатываем опции
@@ -34,16 +35,20 @@ if [ $# -eq 0 && -v $file && ! -f $file ]; then
     esac
 fi
 
-if [ $# -ne 0 && -v file ]; then show_help; fi
+# Если заданы аргументы И файл
+if [ $# -ne 0 && -v file ]; then echo "Please enter file OR arguments. Use '-f' flag for help"; exit 0; fi
 
 # Если заданы аргументы, то создаем временный файл 
 if [ $# -ne 0 ] then
     touch hosts.tmp
     for arg in "$@"; do
         ipcheck "$arg"
-        if [ $? -eq 0 ] then
+        if [ $? -eq 0 ]
+            then
             echo -n "$arg " >> ./hosts.tmp
-        echo $arg | cut -d '.' -f 3,4 | sed 's/\.//' >> hosts.tmp
+            echo $arg | cut -d '.' -f 3,4 | sed 's/\.//' >> hosts.tmp
+            else
+            echo "Argument $arg is not valid IP address (10.10.*.*). Using next argument."
         fi
     done
 fi
@@ -58,8 +63,8 @@ function ip_check() {
         # Split the IP into octets
         IFS='.' read -r -a octets <<< "$ip"
         # Check if each octet is within the valid range (0-255)
-        if [[ ${octets[0]} -le 255 && ${octets[1]} -le 255 \
-              && ${octets[2]} -le 255 && ${octets[3]} -le 255 ]]; then
+        if [[ ${octets[0]} -eq 10 && ${octets[1]} -eq 10 \
+              && ${octets[2]} -le 254 && ${octets[3]} -le 254 ]]; then
             stat=0
         fi
     fi
@@ -67,7 +72,7 @@ function ip_check() {
     IFS=$oldIFS
 }
 
-hostame_generate(){
+function hostame_generate(){
 
 }