diff --git "a/include/class-cli\\ConfigWizard.php" "b/include/class-cli\\ConfigWizard.php"
index 9a25e87..f200ad3 100644
--- "a/include/class-cli\\ConfigWizard.php"
+++ "b/include/class-cli\\ConfigWizard.php"
@@ -1,143 +1,143 @@
 <?php
 # Boz-MW - Another MediaWiki API handler in PHP
 # Copyright (C) 2019, 2020 Valerio Bozzolan
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU Affero General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 namespace cli;
 
 /**
  * Configuration loader and wizard
  *
  * It can help generating a persistent configuration file
  */
 class ConfigWizard {
 
 	/**
 	 * Require a configuration file or create one
 	 *
 	 * @param string $configuration_path
 	 */
 	public static function requireOrCreate( $configuration_path ) {
 		if( !file_exists( $configuration_path ) ) {
 			echo " _____________________________________ \n";
 			echo "|                                     |\n";
 			echo "| WELCOME IN THE CONFIGURATION WIZARD!|\n";
 			echo "|_____________________________________|\n";
 			echo "\n";
 
 			$variables = [];
 
 			$variables[] = self::askVariableContent(
 				'mw\API::$DEFAULT_USERNAME',
 				"Generated username from [[Special:BotPasswords]]",
 				"Please paste here your generated username from [[Special:BotPasswords]]",
 				[
 					"First of all you must choose an user to be used for your activities.",
 					"If you don't know if you need a new dedicated user first read your wiki bot policies.",
 					"If you work very slowly I think you can just use your real account. Anyway a dedicated account is better.",
 					"",
 					"Now please login in your wiki, with THAT user, and visit the page [[Special:BotPasswords]].",
 					"",
 					"From that page fill the \"Create a new bot password\" form with a useful name",
 					"Example name:",
 					"  VolleyImportStuff",
 					"",
 					"Now check all the permissions you will need and then click again on \"Create\".",
 					"",
 					"Example generated username (note that it has '@'):",
 					"  JhonDoo@VolleyImportStuff",
 				]
 			);
 
 			$variables[] = self::askVariableContent(
 				'mw\API::$DEFAULT_PASSWORD',
 				"Generated bot password",
 				"Please paste here your generated bot password", [
 					"Note that it should be very long and without '@'.",
 				]
 			);
 
 			$content = implode( "\n", $variables );
 			$content = "<?php\n" . $content;
 
 			// write the configuration file
 			echo "Writing '$configuration_path'...\n";
 			file_put_contents( $configuration_path, $content );
 
 			echo " _____________________________________ \n";
 			echo "|                                     |\n";
 			echo "| END OF THE CONFIGURATION WIZARD     |\n";
 			echo "|_____________________________________|\n";
 			echo "\n";
 		}
 
 		// include the configuration file
 		require( $configuration_path );
 	}
 
 	/**
 	 * Do a question about a variable value
 	 *
 	 * @param string $variable
 	 * @param string $question
 	 * @param string $comment
 	 */
 	public static function askVariableContent( $variable, $title, $question, $comment_lines = [] ) {
 
 		// start printing some hints
-		echo $title . "\n\n" . implode( $comment_lines, "\n" ) . "\n\n";
+		echo $title . "\n\n" . implode( "\n", $comment_lines ) . "\n\n";
 
 		// ask the variable content
 		do {
 			$value = Input::askInput( $question . " - Then press ENTER:" );
 		} while( !$value );
 
 		// put the question above the comment lines, with an empty line before
 		$comment_lines_with_question = array_merge( [ $title, '' ], $comment_lines );
 
 		// create a comment to put above the variable
 		$text = self::toComment( $comment_lines_with_question );
 
 		// save in form of $foo="bar";
 		$text .= sprintf(
 			"%s = \"%s\";\n",
 			$variable,
 			addcslashes( $value, '"')
 		);
 
 		// draw a cosmetic separation line
 		echo str_repeat( "-", 50 ) . "\n\n\n\n";
 
 		return $text;
 	}
 
 	/**
 	 * Put some text lines inside a PHP comment
 	 *
 	 * @param $lines array
 	 * @return       string
 	 */
 	private static function toComment( $lines ) {
 		foreach( $lines as &$line ) {
 			if( $line ) {
 				$line = " * $line";
 			} else {
 				$line = " *";
 			}
 		}
 		$text = implode( "\n", $lines );
 		return "/**\n$text\n */\n";
 	}
 }