diff --git a/README.md b/README.md
index e664e50..b7bd83d 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,12 @@
 VHOST-MANAGER
 =============
 
-VHOST-MANAGE helps you to create apache2 vhosts.
+`vhost-manager` helps you to create apache2 vhosts.
 
 Requirements
 ------------
 
 * PHP
-* /bin/sh
 * GCC
 * whiptail
 * wget
@@ -17,7 +16,7 @@ Installation
 ------------
 
 ```
-$ sudo apt install gcc whiptail wget make
+$ sudo apt install gcc build-essential whiptail wget make
 $ sudo apt install <php stuff>
 $ git clone https://gitnet.fr/deblan/vhost-manager.git
 $ cd vhost-manager
@@ -40,19 +39,21 @@ USAGE:
   ./bin/vhost-add [options]
 
 OPTIONS:
+  -i                 Enable script interactivity
+                     The script is interactive when no argument is given
   -d                 The domain name
   -a                 Aliase(s)
-  -m value           Enable *http* or *https*
+  -m value           Enable "http" or "https"
   -r                 Force redirection of http to https
   -p value           Enable PHP with the given version (eg: 8.0)
   -u value           Username in the system
-  -i                 Enable script interactivity
   -h                 Show this help
 ```
 
 Example:
 
 ```
+$ sudo vhost-add
 $ sudo vhost-add -m http -m https -r -d example.com -a www.example.com -p 8.0 -u example -i
 ```
 
diff --git a/bin/vhost-add b/bin/vhost-add
index 853c381..2335d7b 100755
--- a/bin/vhost-add
+++ b/bin/vhost-add
@@ -7,6 +7,24 @@ PATH="$SCRIPT_PATH/../share/bin/:$PATH"
 export SCRIPT_NAME
 export SCRIPT_PATH
 export PATH
+export DOMAIN
+export DOMAIN_ALIASES
+export DOCUMENT_ROOT
+export SYSTEM_USER_USERNAME
+export SYSTEM_USER_GROUP
+export PHP_ENABLED
+export MOD_FCGI
+export PHP_VERSION
+export WEB_HTTP
+export WEB_HTTPS
+export WEB_HTTPS_FORCE
+export WEB_ROOT_PATH
+export WEB_LOG_PATH
+export WEB_HTTPS_DEFAULT_CERT_PEM
+export WEB_HTTPS_DEFAULT_CERT_PRIVKEY
+export WEB_HTTPS_DEFAULT_CERT_CHAIN
+export WEB_BIND_ADDRESS
+export ERROR
 
 cd "$SCRIPT_PATH/../"
 
@@ -33,13 +51,14 @@ USAGE:
   $0 [options]
 
 OPTIONS:
+  -i                 Enable script interactivity
+                     The script is interactive when no option is given
   -d                 The domain name
   -a                 Aliase(s)
-  -m value           Enable *http* or *https*
+  -m value           Enable "http" or "https"
   -r                 Force redirection of http to https
   -p value           Enable PHP with the given version (eg: 8.0)
   -u value           Username in the system
-  -i                 Enable script interactivity
   -h                 Show this help
 
 EOF
@@ -161,24 +180,6 @@ exit_if_empty "$MOD_FCGI" "Aborded! (MOD_FCGI_EMPTY)"
 # Confirmation #
 ################
 
-export DOMAIN
-export DOMAIN_ALIASES
-export DOCUMENT_ROOT
-export SYSTEM_USER_USERNAME
-export SYSTEM_USER_GROUP
-export PHP_ENABLED
-export MOD_FCGI
-export PHP_VERSION
-export WEB_HTTP
-export WEB_HTTPS
-export WEB_HTTPS_FORCE
-export WEB_ROOT_PATH
-export WEB_LOG_PATH
-export WEB_HTTPS_DEFAULT_CERT_PEM
-export WEB_HTTPS_DEFAULT_CERT_PRIVKEY
-export WEB_HTTPS_DEFAULT_CERT_CHAIN
-export WEB_BIND_ADDRESS
-
 if [ $INTERACTIVE -eq 0 ]; then
 	CONTINUE="yes"
 else