diff --git a/language/en_GB/install.lang.php b/language/en_GB/install.lang.php
index f9242d373..297bd74c8 100755
--- a/language/en_GB/install.lang.php
+++ b/language/en_GB/install.lang.php
@@ -48,4 +48,19 @@ $lang['Database table prefix'] = 'Database tables prefix';
 $lang['Default gallery language'] = 'Default gallery language';
 $lang['Database configuration'] = 'Database configuration';
 $lang['Admin configuration'] = 'Administration configuration';
-$lang['Basic configuration'] = 'Basic configuration';
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+$lang['Basic configuration'] = 'Basic configuration';
+$lang['An alternate solution is to copy the text in the box above and paste it into the file "local/config/database.inc.php" (Warning : database.inc.php must only contain what is in the textarea, no line return or space character)'] = 'An alternate solution is to copy the text in the box above and paste it into the file "local/config/database.inc.php" (Warning: database.inc.php must only contain what is in the textarea, no line return or space character)';
+$lang['Connection to server succeed, but it was impossible to connect to database'] = 'Connection to server successful, but the connection to the database was not possible.';
+$lang['Creation of config file local/config/database.inc.php failed.'] = 'Creation of config file local/config/database.inc.php failed.';
+$lang['Don\'t hesitate to consult our forums for any help : %s'] = 'Don\'t hesitate to consult our forums for any help: %s';
+$lang['It appears your webhost is currently running PHP %s.'] = 'It appears your webhost is currently running PHP %s.';
+$lang['Need help ? Ask your question on <a href="%s">Piwigo message board</a>.'] = 'Need help? Ask your question on the <a href="%s">Piwigo message board</a>.';
+$lang['Note you can change your configuration by yourself and restart Piwigo after that.'] = 'Note you can change your configuration by yourself and then restart Piwigo.';
+$lang['PHP 5 is required'] = 'PHP 5.2 is required';
+$lang['Piwigo may try to switch your configuration to PHP 5 by creating or modifying a .htaccess file.'] = 'Piwigo may try to switch your configuration to PHP 5.2 by creating or modifying a .htaccess file.';
+$lang['User'] = 'User';
+$lang['Visitors will be able to contact site administrator with this mail'] = 'Visitors will be able to use this email to contact the site administrator';
+$lang['You can download the config file and upload it to local/config directory of your installation.'] = 'You can download the config file and upload it to the local/config directory in your installation.';
+$lang['You may referer to your hosting provider\'s support and see how you could switch to PHP 5 by yourself.'] = 'You should refer to your hosting provider\'s support and see how you can switch to PHP 5.2 by yourself.';
+$lang['database tables names will be prefixed with it (enables you to manage better your tables)'] = 'database table names will be prefixed with it (enables you to manage your tables better)';
+$lang['webmaster login can\'t contain characters \' or "'] = 'the webmaster login may not contain the characters \' or "';
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