diff --git a/modules/member/lang/en.php b/modules/member/lang/en.php
index f560507f4..18e2d6db6 100644
--- a/modules/member/lang/en.php
+++ b/modules/member/lang/en.php
@@ -20,8 +20,8 @@ $lang->managed_email_host['prohibited'] = 'E-mail accounts at %s are not allowed
 $lang->null_user_id = 'Please enter your ID.';
 $lang->null_password = 'Please enter your password.';
 $lang->invalid_authorization = 'The account is not activated.';
-$lang->invalid_email_address = 'Login failed. Please check your e-mail address or password.';
-$lang->invalid_user_id = 'Login failed. Please check your ID or password.';
+$lang->invalid_email_address = 'Sign-in failed. Please check your e-mail address or password.';
+$lang->invalid_user_id = 'Sign-in failed. Please check your ID or password.';
 $lang->invalid_password = 'The password is not correct.';
 $lang->invalid_current_password = 'The current password is not correct.';
 $lang->invalid_new_password = 'Please enter a different password.';
@@ -99,7 +99,7 @@ $lang->about_webmaster_email = 'This setting can be changed in the <a href="inde
 $lang->retroactive_application = 'retroact';
 $lang->signature_html_retroact = 'also remove HTML in past inseted HTML signature. Can not be reversed.';
 $lang->search_target_list['email_address'] = 'Email Address';
-$lang->search_target_list['email_address'] = 'Phone Number';
+$lang->search_target_list['phone_number'] = 'Phone Number';
 $lang->search_target_list['regdate'] = 'Sign up Date';
 $lang->search_target_list['regdate_more'] = 'Sign up Date (more)';
 $lang->search_target_list['regdate_less'] = 'Sign up Date (less)';
@@ -131,25 +131,26 @@ $lang->cmd_member_list = 'Member List';
 $lang->cmd_module_config = 'Default Setting';
 $lang->cmd_member_group = 'Member Groups';
 $lang->cmd_send_mail = 'Send Mail';
-$lang->cmd_modify_nickname_log = 'Nickname Change Log';
-$lang->cmd_nickname_symbols = 'Allow Symbols in Nickname';
-$lang->cmd_nickname_symbols_list = 'Only Allow:';
 $lang->cmd_manage_id = 'Prohibited IDs';
 $lang->cmd_manage_email_host = 'E-mail provider check';
 $lang->cmd_manage_nick_name = 'Prohibited NickNames';
 $lang->cmd_manage_form = 'Signup Form';
 $lang->cmd_view_own_document = 'My Articles';
 $lang->cmd_view_own_comment = 'My Comments';
-$lang->cmd_view_active_logins = 'Active Logins';
+$lang->cmd_view_active_logins = 'Active Sign-in';
 $lang->cmd_manage_member_info = 'Manage Member Info';
 $lang->cmd_trace_document = 'Trace Written Articles';
 $lang->cmd_trace_comment = 'Trace Written Comments';
 $lang->cmd_view_scrapped_document = 'Scraps';
 $lang->cmd_view_saved_document = 'Saved Articles';
 $lang->cmd_send_email = 'Send Mail';
+$lang->cmd_modify_nickname_log = 'Nickname Change Log';
+$lang->cmd_nickname_symbols = 'Allow Symbols in Nickname';
+$lang->cmd_nickname_symbols_list = 'Only Allow:';
+$lang->cmd_member_profile_view = 'Show member profile picture'; 
 $lang->cmd_allow_duplicate_nickname = 'Allow Duplicate Nicknames';
 $lang->about_allow_duplicate_nickname = 'Allow more than one member to use the same nickname.';
-$lang->msg_special_code_incorrect_format = 'The verification code must be a 6-digit number.';
+$lang->msg_special_code_incorrect_format = 'The verification code should be a 6-digit number.';
 $lang->msg_auth_sms_rate_limited = 'Too many verification attempts. Please try again later.';
 $lang->msg_email_not_exists = 'You have entered an invalid email address.';
 $lang->msg_alreay_scrapped = 'This article is already scrapped.';
@@ -160,16 +161,20 @@ $lang->msg_cart_is_null = 'Please select the target.';
 $lang->msg_checked_file_is_deleted = '%d attached file(s) is(are) deleted.';
 $lang->msg_find_account_title = 'Account Info';
 $lang->msg_find_account_info = 'This is requested account info.';
-$lang->msg_find_account_comment = 'Your password will be changed to the one above if you click the link below.<br />Please change the password again as soon as possible after you are able to log in.<br />Your password will remain unchanged until you click the link below.';
+$lang->msg_find_account_comment = 'Your password will be changed to the one above if you click the link below.<br />Please change the password again as soon as possible after you are able to sign-in.<br />Your password will remain unchanged until you click the link below.';
 $lang->msg_confirm_account_title = 'Rhymix Account Activation';
+$lang->title_modify_email_address = 'This letter is sent for a confirmation of the changing e-mail address.'; 
 $lang->msg_confirm_account_info = 'This is your account information:';
 $lang->msg_confirm_account_comment = 'Click on the following link to complete your account activation.';
+$lang->msg_confirm_email_address_change = 'The email address will be modified to %s after clicking below.'; 
 $lang->msg_auth_mail_sent = 'The activation mail has been sent to %s. Please check your mail.';
 $lang->msg_confirm_mail_sent = 'We have just sent the activation email to %s. Please check your mail.';
+$lang->msg_change_mail_sent = 'The letter was sent to %s for the changing email address. Please, check your email.'; 
+$lang->msg_invalid_modify_email_auth_key = 'Invalid request for changing the email address.<br />Please, request again or contact the website administrator.'; 
 $lang->msg_invalid_auth_key = 'This is an invalid request of verification.<br />Please retry finding account info or contact the administrator.';
 $lang->msg_expired_auth_key = 'Your verification link has expired. Please request a new verification email.';
-$lang->msg_success_authed = 'Please use the password you received in the email to log in, and change it to a password of your choice as soon as possible.';
-$lang->msg_success_confirmed = 'Your account has been activated. You may log in now.';
+$lang->msg_success_authed = 'Please use the password you received in the email to sign-in, and change it to a password of your choice as soon as possible.';
+$lang->msg_success_confirmed = 'Your account has been activated. You may sign-in now.';
 $lang->msg_new_member = 'Add Member';
 $lang->msg_rechecked_password = 'Re-checked password';
 $lang->msg_update_member = 'View and Modify User Info';
@@ -194,11 +199,11 @@ $lang->msg_not_uploaded_profile_image = 'Profile image could not be registered.'
 $lang->msg_not_uploaded_image_name = 'Image name could not be registered.';
 $lang->msg_not_uploaded_image_mark = 'Image mark could not be registered.';
 $lang->msg_not_uploaded_group_image_mark = 'Group image mark could not be registered.';
-$lang->msg_accept_agreement = 'You must accept all required agreements in order to sign up.';
+$lang->msg_accept_agreement = 'You should accept all required agreements in order to sign up.';
 $lang->msg_user_denied = 'You have entered a prohibited ID.';
 $lang->msg_user_not_confirmed = 'Your account is not activated yet. A confirmation email has been sent to %s. Please check your email and click the activation link to continue.';
 $lang->msg_user_limited = 'You have entered an ID that cannot be used before %s';
-$lang->msg_admin_ip_not_allowed = 'Your IP address is not allowed to log in as an administrator.';
+$lang->msg_admin_ip_not_allowed = 'Your IP address is not allowed to sign-in as an administrator.';
 $lang->about_rechecked_password = 'Confirm your password before editing account information.';
 $lang->about_user_id = 'User ID should be 3~20 characters long, consist of alphanumeric and start with a letter.';
 $lang->about_password = 'Password should be 6~20 characters long.';
@@ -206,20 +211,20 @@ $lang->cmd_config_password_strength = 'password strength';
 $lang->cmd_password_hashing_algorithm = 'Password Hashing Algorithm';
 $lang->cmd_password_hashing_work_factor = 'Password Hashing Work Factor';
 $lang->cmd_password_hashing_auto_upgrade = 'Auto-upgrade Hashing Algorithm';
-$lang->cmd_password_change_invalidate_other_sessions = 'Log out other devices on password change';
-$lang->cmd_login_invalidate_other_sessions = 'Log out other devices';
+$lang->cmd_password_change_invalidate_other_sessions = 'Sign out other devices on password change';
+$lang->cmd_login_invalidate_other_sessions = 'Sign out other devices';
 $lang->password_strength_low = 'low';
 $lang->password_strength_normal = 'normal';
 $lang->password_strength_high = 'high';
-$lang->about_password_strength_config = 'When members register or change the password, the password must meet the specified password strength. However, the administrator is an exception.';
+$lang->about_password_strength_config = 'When members register or change the password, the password should meet the specified password strength. However, the administrator is an exception.';
 $lang->about_password_hashing_algorithm = 'You can choose how to encrypt (hash) members\' passwords stored in the database.';
-$lang->about_password_hashing_work_factor = 'Higher work factors are more secure, but logins may take a long time. This only applies to bcrypt and pbkdf2.';
-$lang->about_password_hashing_auto_upgrade = 'Passwords encrypted using different algorithms will be automatically converted to the configured algorithm at next login.';
-$lang->about_password_change_invalidate_other_sessions = 'Log out all other devices (browsers) when a member changes the password.';
-$lang->about_login_invalidate_other_sessions = 'Only allow login from one device. Previously used devices will be logged out automatically.';
-$lang->about_password_strength['low'] = 'the password must be at least 4';
-$lang->about_password_strength['normal'] = 'the password must be at least 6, and must have at least one alpha character and numeric characters';
-$lang->about_password_strength['high'] = 'the password must be at least 8, and must have at least one alpha character, numeric character and special character ';
+$lang->about_password_hashing_work_factor = 'Higher work factors are more secure, but sign-in may take a long time. This only applies to bcrypt and pbkdf2.';
+$lang->about_password_hashing_auto_upgrade = 'Passwords encrypted using different algorithms will be automatically converted to the configured algorithm at next sign-in.';
+$lang->about_password_change_invalidate_other_sessions = 'Sign out all other devices (browsers) when a member changes the password.';
+$lang->about_login_invalidate_other_sessions = 'Allow sign-in from only one device. Previously used machines will be signed out automatically.';
+$lang->about_password_strength['low'] = 'the password should be longer, at least four characters';
+$lang->about_password_strength['normal'] = 'the password should be at least six characters, and should have at least one alpha character and numeric characters';
+$lang->about_password_strength['high'] = 'the password should be at least eight characters, and should have at least one alphabetic, numeric and special characters';
 $lang->about_user_name = 'Name should be 2~20 letters long.';
 $lang->about_nick_name = 'Nickname should be 2~20 characters long.';
 $lang->about_email_address = 'Email address will be used to modify/find password after email verification.';
@@ -247,8 +252,8 @@ $lang->about_limit_day = 'You can limit activation date after sign up';
 $lang->about_limit_date = 'Users cannot sign in until the specified date';
 $lang->about_special_phone_number = 'You can set up a special phone number that can be verified with a preconfigured code instead of sending an actual SMS.<br>The special phone number will also be allowed to sign up more than once even if this is normally disallowed.<br>This can be useful for development, testing, and app store review process.';
 $lang->about_max_auth_sms_count = 'You can limit the number of time someone can try to verify the same phone number from the same IP address.';
-$lang->about_after_login_url = 'You can set a URL after login. Blank means the current page.';
-$lang->about_after_logout_url = 'You can set a URL after logout. Blank means the current page.';
+$lang->about_after_login_url = 'You can set a URL after sign-in. Blank means the current page.';
+$lang->about_after_logout_url = 'You can set a URL after sign-out. Blank means the current page.';
 $lang->about_redirect_url = 'Please select a page where users will go after sign up. When this is empty, it will be set as the previous page of the sign up page.';
 $lang->about_agreement = 'Sign up Agreement will be displayed if it\'s not empty';
 $lang->about_image_name = 'Members will be able to use image name instead of text';
@@ -261,10 +266,15 @@ $lang->about_member_default = 'It will be set as the default group on sign up';
 $lang->about_find_member_account = 'Please input the email address you have entered during the registration and we will send your account info to this email address.';
 $lang->about_ssl_port = 'Please enter if you are using non-default SSL port';
 $lang->about_resend_auth_mail = 'You can request the activation email again if you have not received it.';
+$lang->about_reset_auth_mail_submit = 'If you use the address as an identifier, a new email address would be required for the sign-in.'; 
+$lang->about_update_nickname_log = 'Record the nickname change history. If you use this option, you can see the nickname changing history.'; 
+$lang->about_nickname_symbols = 'Allow or prohibit the use of special characters in nicknames.'; 
+$lang->about_member_profile_view = 'Option to view the member\'s profile image on the admin member list page. Select No if you do not want to see your profile picture in the member panel.'; 
 $lang->no_article = 'No articles';
 $lang->find_account_question = 'Question for a temporary password.';
 $lang->find_account_answer = 'Answer for a temporary password.';
 $lang->about_find_account_question = 'You can get a temporary password by your ID, email address, and the answer for the question you have set.';
+$lang->find_account_question_items['0'] = '';
 $lang->find_account_question_items['1'] = 'What is your alternate email address?';
 $lang->find_account_question_items['2'] = 'What is your favorite thing?';
 $lang->find_account_question_items['3'] = 'Which elementary school did you attend?';
@@ -287,7 +297,7 @@ $lang->msg_invalid_symbol_in_nickname = 'Your nickname contains a disallowed sym
 $lang->change_password_date = 'Password renewal cycle';
 $lang->about_change_password_date = 'If you set a value to this, you will be notified to change your password periodically. (If set to 0, disabled)';
 $lang->msg_change_password_date = 'You have not changed the password during %s days. For personal information protection, you need to change the password.';
-$lang->about_login_trial_limit = 'Limit the number of login attempts in a short time from the same IP address.';
+$lang->about_login_trial_limit = 'Limit the number of sign-in attempts in a short time from the same IP address.';
 $lang->msg_kr_address = 'Search for the name of eup, myeon or dong of your address.';
 $lang->msg_kr_address_etc = 'Enter the rest of your address.';
 $lang->cmd_search_again = 'Search again';
@@ -334,14 +344,18 @@ $lang->add_extend_form = 'Add item';
 $lang->msg_null_prohibited_id = 'Please enter an ID to prohibit.';
 $lang->msg_null_prohibited_nick_name = 'Please enter a nick name to prohibit.';
 $lang->msg_null_managed_emailhost = 'Please enter email address providers to manage. (eg.: gmail.com)';
-$lang->identifier = 'Login Identifier';
-$lang->about_identifier = 'Allow users to login using one or more identifiers.<br />Please beware of country codes if you allow login by phone number.';
-$lang->msg_need_identifier = 'You need to select at least one login identifier.';
+$lang->identifier = 'Sign-in Identifier';
+$lang->about_identifier = 'Allow users to sign-in using one or more identifiers.<br />Please beware of country codes if you allow login by phone number.';
+$lang->msg_need_identifier = 'You need to select at least one sign-in identifier.';
 $lang->msg_need_enabled_identifier = 'You need to select identifiers that are enabled in the signup form.';
 $lang->use_after_save = 'Use after saved';
 $lang->cmd_add_group = 'Add group';
 $lang->msg_groups_exist = 'groups exist.';
 $lang->cmd_member_config = 'Member Configuration';
+$lang->cmd_member_sync = 'Sync member information';
+$lang->about_member_sync = 'Synchronize member information and post/comment information. This can take a long time if you have a lot of data. <strong>If there are many users, be sure to stop the service before proceeding.</strong>';
+$lang->msg_success_modify_email_address = 'Your email address has been successfully changed. You can sign-in with the changed email address.'; 
+
 $lang->group = 'Group';
 $lang->retrieve_password = 'Retrieve password';
 $lang->excess_ip_access_count = 'There was too much sign in trial from your devices in a short time. You can not sign in for %s.';
@@ -352,14 +366,17 @@ $lang->all_group = 'Entire Group';
 $lang->msg_insert_group_name_detail = 'If group title are empty, does not apply.';
 $lang->msg_exist_selected_module = 'Address information does not exist.';
 $lang->cmd_spammer = 'Spam User Manage';
-$lang->spammer_description = '<p>Spam user management. This function denied user login and remove all of documents, comments</p>';
+$lang->spammer_description = '<p>Spam user management. This function denied user sign-in and remove all of documents, comments</p>';
 $lang->btn_spammer_delete_all = 'Delete all';
 $lang->spammer_move_to_trash = 'Move to trash';
 $lang->msg_spammer_complete = 'Completed.';
+$lang->nick_name_before_changing = 'Old nickname';
+$lang->nick_name_after_changing = 'New nickname'; 
+
 $lang->cmd_login_browser_info = 'Browser Information';
 $lang->cmd_login_device_info = 'Device Information';
 $lang->cmd_initial_registration = 'Registered';
-$lang->cmd_initial_login = 'First Login';
+$lang->cmd_initial_login = 'First Sign-in';
 $lang->cmd_recent_visit = 'Recent Visit';
 $lang->cmd_recent_connection = 'Last Seen';
 $lang->cmd_view_registered_devices = 'Registered Devices';
@@ -367,3 +384,4 @@ $lang->scrap_folder_create = 'New Folder';
 $lang->scrap_folder_rename = 'Rename';
 $lang->scrap_folder_delete = 'Delete';
 $lang->member_unauthenticated = 'Unauthenticated';
+$lang->member_number = 'Member identification number'; 
\ No newline at end of file