diff --git a/check_process b/check_process
index 91262e5..58ecacd 100644
--- a/check_process
+++ b/check_process
@@ -1,8 +1,8 @@
 ;; Test complet
 	; Manifest
-		domain="domain.tld"	(DOMAIN)
-		admin="john"	(USER)
-		is_public=1	(PUBLIC|public=1|private=0)
+		domain="domain.tld"
+		admin="john"
+		is_public=1
 		password="pass"
 		single_user=1
 	; Checks
@@ -27,6 +27,8 @@
 		upgrade=1	from_commit=b387e4186a02c387d734cf25f4fed9283c01d55f
 		# 0.13.0~ynh1
 		upgrade=1	from_commit=06afb5c5a1896185eec6e63ffcb929f0216db2ec
+		# 0.13.1~ynh1
+		upgrade=1	from_commit=e30ec378dc703227fcfe542d19f35e2838192094
 		backup_restore=1
 		multi_instance=1
 		port_already_use=0
@@ -49,3 +51,5 @@ Notification=all
 		name=0.12.0~ynh6
 	; commit=06afb5c5a1896185eec6e63ffcb929f0216db2ec
 		name=0.13.0~ynh1
+	; commit=e30ec378dc703227fcfe542d19f35e2838192094
+		name=0.13.1~ynh1
diff --git a/conf/x86-64.src b/conf/amd64.src
similarity index 100%
rename from conf/x86-64.src
rename to conf/amd64.src
diff --git a/conf/arm.src b/conf/armel.src
similarity index 100%
rename from conf/arm.src
rename to conf/armel.src
diff --git a/conf/nginx.conf b/conf/nginx.conf
index f80bb1e..805f93e 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,9 +1,3 @@
-#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
-
-if ($scheme = http) {
-    rewrite ^ https://$server_name$request_uri? permanent;
- }
-
 location ~ ^/.well-known/(webfinger|nodeinfo|host-meta) {
   proxy_set_header Host $host;
   proxy_set_header X-Real-IP $remote_addr;
diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100644
index 0000000..94f1ade
--- /dev/null
+++ b/doc/DESCRIPTION.md
@@ -0,0 +1,5 @@
+WriteFreely is a beautifully pared-down blogging platform that's simple on the surface, yet powerful underneath.
+
+Can be run as Single User Blog or Multi User Instance.
+
+Each User can be limited from 1 to unlimited blogs.
\ No newline at end of file
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index 8bf9cd5..3084b40 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,8 +1,6 @@
-* Any known limitations, constrains or stuff not working, such as (but not limited to):
-    * **WriteFreely** require a dedicated **root domain**, eg. writefreely.domain.tld
-    * i386 architectures not supported
-    * No LDAP and no HTTP auth supported
+* **WriteFreely** require a dedicated **root domain**, eg. writefreely.domain.tld
+* i386 architectures not supported
+* No LDAP and no HTTP auth supported
 
-* Other infos that people should be aware of, such as:
-    * If User Mode is configured Multiple users, the app be used by multiple users
-    * Additionals parameters can be configured in Settings / Admin settings.
+* If User Mode is configured Multiple users, the app be used by multiple users
+* Additionals parameters can be configured in Settings / Admin settings.
diff --git a/manifest.json b/manifest.json
index a0b2ef4..bae4b45 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "For starting a minimalist, federated blog or an entire community.",
         "fr": "Permet de créer un blog fédéré minimaliste ou une communauté entière."
     },
-    "version": "0.13.1~ynh1",
+    "version": "0.13.1~ynh2",
     "url": "https://writefreely.org",
     "upstream": {
         "license": "AGPL-3.0-or-later",
@@ -20,7 +20,7 @@
         "name": "yalh76"
     },
     "requirements": {
-        "yunohost": ">= 4.1.3"
+        "yunohost": ">= 4.3.0"
     },
     "multi_instance": true,
     "services": [
@@ -28,16 +28,14 @@
         "mysql"
     ],
     "arguments": {
-        "install" : [
+        "install": [
             {
                 "name": "domain",
-                "type": "domain",
-                "example": "example.com"
+                "type": "domain"
             },
             {
                 "name": "admin",
-                "type": "user",
-                "example": "johndoe"
+                "type": "user"
             },
             {
                 "name": "is_public",
@@ -46,8 +44,7 @@
             },
             {
                 "name": "password",
-                "type": "password",
-                "example": "Choose a password"
+                "type": "password"
             },
             {
                 "name": "single_user",
diff --git a/scripts/change_url b/scripts/change_url
index e946b47..dcc7c61 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -115,11 +115,6 @@ ynh_script_progression --message="Modifying a config file..."
 ynh_backup_if_checksum_is_different --file="$final_path/config.ini"
 ynh_replace_string --match_string="host              =.*" --replace_string="host              = https://$new_domain" --target_file="$final_path/config.ini"
 
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-ynh_script_progression --message="Storingthe config file checksum..."
-
 # Recalculate and store the checksum of the file for the next upgrade.
 ynh_store_file_checksum --file="$final_path/config.ini"
 
diff --git a/scripts/install b/scripts/install
index e64ebea..ff323db 100755
--- a/scripts/install
+++ b/scripts/install
@@ -7,7 +7,6 @@
 #=================================================
 
 source _common.sh
-source ynh_detect_arch__2
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -32,7 +31,7 @@ is_public=$YNH_APP_ARG_IS_PUBLIC
 password=$YNH_APP_ARG_PASSWORD
 single_user=$YNH_APP_ARG_SINGLE_USER
 
-architecture=$(ynh_detect_arch)
+architecture=$YNH_ARCH
 
 # Bypass package_checker name not compatible with writefreely
 if [ ${PACKAGE_CHECK_EXEC:-0} -eq 1 ]; then
@@ -123,7 +122,7 @@ ynh_add_nginx_config
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
-ynh_script_progression --message="Adding a config file..."
+ynh_script_progression --message="Adding a configuration file..."
 
 ynh_add_config --template="../conf/config.ini" --destination="$final_path/config.ini"
 
@@ -144,9 +143,9 @@ ynh_add_systemd_config
 ynh_script_progression --message="Making setup..."
 
 pushd $final_path
-	sudo -u $app ./writefreely --init-db
-	sudo -u $app ./writefreely --gen-keys
-	sudo -u $app ./writefreely --create-admin "$admin":"$password"
+	ynh_exec_as $app ./writefreely --init-db
+	ynh_exec_as $app ./writefreely --gen-keys
+	ynh_exec_as $app ./writefreely --create-admin "$admin":"$password"
 popd
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 6d6f045..112ccaa 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -67,14 +67,6 @@ ynh_script_progression --message="Removing NGINX web server configuration..."
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
-#=================================================
-# REMOVE LOGROTATE CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing logrotate configuration..."
-
-# Remove the app-specific logrotate config
-ynh_remove_logrotate
-
 #=================================================
 # CLOSE A PORT
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 9335e33..0314885 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -38,8 +38,6 @@ db_user=$db_name
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..."
 
-ynh_webpath_available --domain=$domain --path_url=$path_url \
-	|| ynh_die --message="Path not available: ${domain}${path_url}"
 test ! -d $final_path \
 	|| ynh_die --message="There is already a directory: $final_path "
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 587154b..36a923a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,7 +7,6 @@
 #=================================================
 
 source _common.sh
-source ynh_detect_arch__2
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -27,7 +26,7 @@ db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 port=$(ynh_app_setting_get --app=$app --key=port)
 single_user=$(ynh_app_setting_get --app=$app --key=single_user)
 
-architecture=$(ynh_detect_arch)
+architecture=$YNH_ARCH
 
 #=================================================
 # CHECK VERSION
@@ -136,15 +135,15 @@ ynh_script_progression --message="Making the upgrade..."
 
 pushd $final_path
 	ynh_mysql_execute_as_root --sql="ALTER DATABASE $db_name CHARACTER SET latin1 COLLATE latin1_swedish_ci;" --database=$db_name
-	sudo -u $app ./writefreely db migrate
-	sudo -u $app ./writefreely --migrate
-	sudo -u $app ./writefreely keys generate
+	ynh_exec_as $app ./writefreely db migrate
+	ynh_exec_as $app ./writefreely --migrate
+	ynh_exec_as $app ./writefreely keys generate
 popd
 
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
-ynh_script_progression --message="Updating a config file..."
+ynh_script_progression --message="Updating a configuration file..."
 
 ynh_add_config --template="../conf/config.ini" --destination="$final_path/config.ini"
 
diff --git a/scripts/ynh_detect_arch__2 b/scripts/ynh_detect_arch__2
deleted file mode 100644
index b1c7375..0000000
--- a/scripts/ynh_detect_arch__2
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/bin/bash
-
-# Check the architecture
-#
-# example: architecture=$(ynh_detect_arch)
-#
-# usage: ynh_detect_arch
-#
-# Requires YunoHost version 2.2.4 or higher.
-
-ynh_detect_arch(){
-	local architecture
-	if [ -n "$(uname -m | grep arm64)" ] || [ -n "$(uname -m | grep aarch64)" ]; then
-		architecture="arm64"
-	elif [ -n "$(uname -m | grep 64)" ]; then
-		architecture="x86-64"
-	elif [ -n "$(uname -m | grep 86)" ]; then
-		architecture="i386"
-	elif [ -n "$(uname -m | grep arm)" ]; then
-		architecture="arm"
-	else
-		architecture="unknown"
-	fi
-	echo $architecture
-}