diff --git a/client/src/__locales/en.json b/client/src/__locales/en.json
index 07021b59..1559a24e 100644
--- a/client/src/__locales/en.json
+++ b/client/src/__locales/en.json
@@ -35,24 +35,24 @@
     "dhcp_config_saved": "DHCP configuration successfully saved",
     "dhcp_ipv4_settings": "DHCP IPv4 Settings",
     "dhcp_ipv6_settings": "DHCP IPv6 Settings",
-    "form_error_required": "Required field",
-    "form_error_ip4_format": "Invalid IPv4 address",
-    "form_error_ip4_range_start_format": "Invalid IPv4 address of the range start",
-    "form_error_ip4_range_end_format": "Invalid IPv4 address of the range end",
-    "form_error_ip4_gateway_format": "Invalid IPv4 address of the gateway",
-    "form_error_ip6_format": "Invalid IPv6 address",
-    "form_error_ip_format": "Invalid IP address",
-    "form_error_mac_format": "Invalid MAC address",
-    "form_error_client_id_format": "ClientID must contain only numbers, lowercase letters, and hyphens",
-    "form_error_server_name": "Invalid server name",
-    "form_error_subnet": "Subnet \"{{cidr}}\" does not contain the IP address \"{{ip}}\"",
-    "form_error_positive": "Must be greater than 0",
-    "out_of_range_error": "Must be out of range \"{{start}}\"-\"{{end}}\"",
-    "lower_range_start_error": "Must be lower than range start",
-    "greater_range_start_error": "Must be greater than range start",
-    "greater_range_end_error": "Must be greater than range end",
-    "subnet_error": "Addresses must be in one subnet",
-    "gateway_or_subnet_invalid": "Subnet mask invalid",
+    "form_error_required": "Required field.",
+    "form_error_ip4_format": "Invalid IPv4 address.",
+    "form_error_ip4_range_start_format": "Invalid IPv4 address of the range start.",
+    "form_error_ip4_range_end_format": "Invalid IPv4 address of the range end.",
+    "form_error_ip4_gateway_format": "Invalid IPv4 address of the gateway.",
+    "form_error_ip6_format": "Invalid IPv6 address.",
+    "form_error_ip_format": "Invalid IP address.",
+    "form_error_mac_format": "Invalid MAC address.",
+    "form_error_client_id_format": "ClientID must contain only numbers, lowercase letters, and hyphens.",
+    "form_error_server_name": "Invalid server name.",
+    "form_error_subnet": "Subnet \"{{cidr}}\" does not contain the IP address \"{{ip}}\".",
+    "form_error_positive": "Must be greater than 0.",
+    "out_of_range_error": "Must be out of range \"{{start}}\"-\"{{end}}\".",
+    "lower_range_start_error": "Must be lower than range start.",
+    "greater_range_start_error": "Must be greater than range start.",
+    "greater_range_end_error": "Must be greater than range end.",
+    "subnet_error": "Addresses must be in one subnet.",
+    "gateway_or_subnet_invalid": "Subnet mask invalid.",
     "dhcp_form_gateway_input": "Gateway IP",
     "dhcp_form_subnet_input": "Subnet mask",
     "dhcp_form_range_title": "Range of IP addresses",
@@ -196,8 +196,8 @@
     "choose_allowlist": "Choose allowlists",
     "enter_valid_blocklist": "Enter a valid URL to the blocklist.",
     "enter_valid_allowlist": "Enter a valid URL to the allowlist.",
-    "form_error_url_format": "Invalid URL format",
-    "form_error_url_or_path_format": "Invalid URL or absolute path of the list",
+    "form_error_url_format": "Invalid URL format.",
+    "form_error_url_or_path_format": "Invalid URL or absolute path of the list.",
     "custom_filter_rules": "Custom filtering rules",
     "custom_filter_rules_hint": "Enter one rule on a line. You can use either adblock rules or hosts files syntax.",
     "system_host_files": "System hosts files",
@@ -309,7 +309,7 @@
     "install_settings_listen": "Listen interface",
     "install_settings_port": "Port",
     "install_settings_interface_link": "Your AdGuard Home admin web interface will be available on the following addresses:",
-    "form_error_port": "Enter valid port number",
+    "form_error_port": "Enter valid port number.",
     "install_settings_dns": "DNS server",
     "install_settings_dns_desc": "You will need to configure your devices or router to use the DNS server on the following addresses:",
     "install_settings_all_interfaces": "All interfaces",
@@ -378,26 +378,26 @@
     "encryption_key_input": "Copy/paste your PEM-encoded private key for your certificate here.",
     "encryption_enable": "Enable Encryption (HTTPS, DNS-over-HTTPS, and DNS-over-TLS)",
     "encryption_enable_desc": "If encryption is enabled, AdGuard Home admin interface will work over HTTPS, and the DNS server will listen for requests over DNS-over-HTTPS and DNS-over-TLS.",
-    "encryption_chain_valid": "Certificate chain is valid",
-    "encryption_chain_invalid": "Certificate chain is invalid",
-    "encryption_key_valid": "This is a valid {{type}} private key",
-    "encryption_key_invalid": "This is an invalid {{type}} private key",
+    "encryption_chain_valid": "Certificate chain is valid.",
+    "encryption_chain_invalid": "Certificate chain is invalid.",
+    "encryption_key_valid": "This is a valid {{type}} private key.",
+    "encryption_key_invalid": "This is an invalid {{type}} private key.",
     "encryption_subject": "Subject",
     "encryption_issuer": "Issuer",
     "encryption_hostnames": "Hostnames",
     "encryption_reset": "Are you sure you want to reset encryption settings?",
     "topline_expiring_certificate": "Your SSL certificate is about to expire. Update <0>Encryption settings</0>.",
     "topline_expired_certificate": "Your SSL certificate is expired. Update <0>Encryption settings</0>.",
-    "form_error_port_range": "Enter port number in the range of 80-65535",
-    "form_error_port_unsafe": "This is an unsafe port",
-    "form_error_equal": "Must not be equal",
-    "form_error_password": "Password mismatched",
+    "form_error_port_range": "Enter port number in the range of 80-65535.",
+    "form_error_port_unsafe": "This is an unsafe port.",
+    "form_error_equal": "Must not be equal.",
+    "form_error_password": "Password mismatched.",
     "reset_settings": "Reset settings",
     "update_announcement": "AdGuard Home {{version}} is now available! <0>Click here</0> for more info.",
     "setup_guide": "Setup Guide",
     "dns_addresses": "DNS addresses",
     "dns_start": "DNS server is starting up",
-    "dns_status_error": "Error checking the DNS server status",
+    "dns_status_error": "Error checking the DNS server status.",
     "down": "Down",
     "fix": "Fix",
     "dns_providers": "Here is a <0>list of known DNS providers</0> to choose from.",
@@ -475,8 +475,8 @@
     "dns_rewrites": "DNS rewrites",
     "form_domain": "Enter domain name or wildcard",
     "form_answer": "Enter IP address or domain name",
-    "form_error_domain_format": "Invalid domain format",
-    "form_error_answer_format": "Invalid answer format",
+    "form_error_domain_format": "Invalid domain format.",
+    "form_error_answer_format": "Invalid answer format.",
     "configure": "Configure",
     "main_settings": "Main settings",
     "block_services": "Block specific services",
@@ -627,5 +627,6 @@
     "use_saved_key": "Use the previously saved key",
     "parental_control": "Parental Control",
     "safe_browsing": "Safe Browsing",
-    "served_from_cache": "{{value}} <i>(served from cache)</i>"
+    "served_from_cache": "{{value}} <i>(served from cache)</i>",
+    "form_error_password_length": "Password must be at least {{value}} characters long."
 }