diff --git a/phpBB/language/en/cli.php b/phpBB/language/en/cli.php
index e9eb26b154..eb0f5bb357 100644
--- a/phpBB/language/en/cli.php
+++ b/phpBB/language/en/cli.php
@@ -35,10 +35,44 @@ if (empty($lang) || !is_array($lang))
 // in a url you again do not need to specify an order e.g., 'Click %sHERE%s' is fine
 
 $lang = array_merge($lang, array(
-	'CLI_DESCRIPTION_CRON_LIST'				=> 'Prints a list of ready and unready cron jobs.',
-	'CLI_DESCRIPTION_CRON_RUN'				=> 'Runs all ready cron tasks.',
-	'CLI_DESCRIPTION_CRON_RUN_ARGUMENT_1'	=> 'Name of the task to be run',
+	'CLI_CONFIG_CANNOT_CACHED'			=> 'Set this option if the configuration option changes too frequently to be efficiently cached.',
+	'CLI_CONFIG_CURRENT'				=> 'Current configuration value, use 0 and 1 to specify boolean values',
+	'CLI_CONFIG_DELETE_SUCCESS'			=> 'Successfully deleted config %s.',
+	'CLI_CONFIG_NEW'					=> 'New configuration value, use 0 and 1 to specify boolean values',
+	'CLI_CONFIG_NOT_EXISTS'				=> 'Config %s does not exist',
+	'CLI_CONFIG_OPTION_NAME'			=> 'The configuration option’s name',
+	'CLI_CONFIG_PRINT_WITHOUT_NEWLINE'	=> 'Set this option if the value should be printed without a new line at the end.',
+	'CLI_CONFIG_INCREMENT_BY'			=> 'Amount to increment by',
+	'CLI_CONFIG_INCREMENT_SUCCESS'		=> 'Successfully incremented config %s',
+	'CLI_CONFIG_SET_FAILURE'			=> 'Could not set config %s',
+	'CLI_CONFIG_SET_SUCCESS'			=> 'Successfully set config %s',
 
-	'CLI_DESCRIPTION_OPTION_SHELL'			=> 'Launch the shell.',
-	'CLI_DESCRIPTION_OPTION_SAFE_MODE'		=> 'Run in Safe Mode (without extensions).',
+	'CLI_DESCRIPTION_CRON_LIST'					=> 'Prints a list of ready and unready cron jobs.',
+	'CLI_DESCRIPTION_CRON_RUN'					=> 'Runs all ready cron tasks.',
+	'CLI_DESCRIPTION_CRON_RUN_ARGUMENT_1'		=> 'Name of the task to be run',
+	'CLI_DESCRIPTION_DB_MIGRATE'				=> 'Updates the database by applying migrations.',
+	'CLI_DESCRIPTION_DELETE_CONFIG'				=> 'Deletes a configuration option',
+	'CLI_DESCRIPTION_DISABLE_EXTENSION'			=> 'Disables the specified extension.',
+	'CLI_DESCRIPTION_ENABLE_EXTENSION'			=> 'Enables the specified extension.',
+	'CLI_DESCRIPTION_FIND_MIGRATIONS'			=> 'Finds migrations that are not depended on.',
+	'CLI_DESCRIPTION_GET_CONFIG'				=> 'Gets a configuration option’s value',
+	'CLI_DESCRIPTION_INCREMENT_CONFIG'			=> 'Increments a configuration option’s value',
+	'CLI_DESCRIPTION_LIST_EXTENSIONS'			=> 'Lists all extensions in the database and on the filesystem.',
+	'CLI_DESCRIPTION_OPTION_SAFE_MODE'			=> 'Run in Safe Mode (without extensions).',
+	'CLI_DESCRIPTION_OPTION_SHELL'				=> 'Launch the shell.',
+	'CLI_DESCRIPTION_PURGE_EXTENSION'			=> 'Purges the specified extension.',
+	'CLI_DESCRIPTION_RECALCULATE_EMAIL_HASH'	=> 'Recalculates the user_email_hash column of the users table.',
+	'CLI_DESCRIPTION_SET_ATOMIC_CONFIG'			=> 'Sets a configuration option’s value only if the old matches the current value',
+	'CLI_DESCRIPTION_SET_CONFIG'				=> 'Sets a configuration option’s value',
+
+	'CLI_EXTENSION_DISABLE_FAILURE'		=> 'Could not disable extension %s',
+	'CLI_EXTENSION_DISABLE_SUCCESS'		=> 'Successfully disabled extension %s',
+	'CLI_EXTENSION_ENABLE_FAILURE'		=> 'Could not enable extension %s',
+	'CLI_EXTENSION_ENABLE_SUCCESS'		=> 'Successfully enabled extension %s',
+	'CLI_EXTENSION_NAME'				=> 'Name of the extension',
+	'CLI_EXTENSION_PURGE_FAILURE'		=> 'Could not purge extension %s',
+	'CLI_EXTENSION_PURGE_SUCCESS'		=> 'Successfully purged extension %s',
+	'CLI_EXTENSION_NOT_FOUND'			=> 'No extensions were found.',
+
+	'CLI_FIXUP_RECALCULATE_EMAIL_HASH_SUCCESS'	=> 'Successfully recalculated all email hashes.',
 ));
diff --git a/phpBB/phpbb/console/command/cache/purge.php b/phpBB/phpbb/console/command/cache/purge.php
index 8c51d1b5a8..ec8229200c 100644
--- a/phpBB/phpbb/console/command/cache/purge.php
+++ b/phpBB/phpbb/console/command/cache/purge.php
@@ -59,7 +59,7 @@ class purge extends \phpbb\console\command\command
 	{
 		$this
 			->setName('cache:purge')
-			->setDescription('Purge the cache.')
+			->setDescription($this->user->lang('PURGE_CACHE'))
 		;
 	}
 
diff --git a/phpBB/phpbb/console/command/config/delete.php b/phpBB/phpbb/console/command/config/delete.php
index 1310bb18b4..efd276d7e3 100644
--- a/phpBB/phpbb/console/command/config/delete.php
+++ b/phpBB/phpbb/console/command/config/delete.php
@@ -25,11 +25,11 @@ class delete extends command
 	{
 		$this
 			->setName('config:delete')
-			->setDescription('Deletes a configuration option')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_DELETE_CONFIG'))
 			->addArgument(
 				'key',
 				InputArgument::REQUIRED,
-				"The configuration option's name"
+				$this->user->lang('CLI_CONFIG_OPTION_NAME')
 			)
 		;
 	}
@@ -53,11 +53,11 @@ class delete extends command
 		{
 			$this->config->delete($key);
 
-			$output->writeln("<info>Successfully deleted config $key</info>");
+			$output->writeln('<info>' . $this->user->lang('CLI_CONFIG_DELETE_SUCCESS', $key) . '</info>');
 		}
 		else
 		{
-			$output->writeln("<error>Config $key does not exist</error>");
+			$output->writeln('<error>' . $this->user->lang('CLI_CONFIG_NOT_EXISTS', $key) . '</error>');
 		}
 	}
 }
diff --git a/phpBB/phpbb/console/command/config/get.php b/phpBB/phpbb/console/command/config/get.php
index ee8c65110e..9c03b49a3d 100644
--- a/phpBB/phpbb/console/command/config/get.php
+++ b/phpBB/phpbb/console/command/config/get.php
@@ -26,17 +26,17 @@ class get extends command
 	{
 		$this
 			->setName('config:get')
-			->setDescription("Gets a configuration option's value")
+			->setDescription($this->user->lang('CLI_DESCRIPTION_GET_CONFIG'))
 			->addArgument(
 				'key',
 				InputArgument::REQUIRED,
-				"The configuration option's name"
+				$this->user->lang('CLI_CONFIG_OPTION_NAME')
 			)
 			->addOption(
 				'no-newline',
 				null,
 				InputOption::VALUE_NONE,
-				'Set this option if the value should be printed without a new line at the end.'
+				$this->user->lang('CLI_CONFIG_PRINT_WITHOUT_NEWLINE')
 			)
 		;
 	}
@@ -66,7 +66,7 @@ class get extends command
 		}
 		else
 		{
-			$output->writeln("<error>Could not get config $key</error>");
+			$output->writeln('<error>' . $this->user->lang('CLI_CONFIG_NOT_EXISTS', $key) . '</error>');
 		}
 	}
 }
diff --git a/phpBB/phpbb/console/command/config/increment.php b/phpBB/phpbb/console/command/config/increment.php
index 21f0660e61..0c25075ce8 100644
--- a/phpBB/phpbb/console/command/config/increment.php
+++ b/phpBB/phpbb/console/command/config/increment.php
@@ -26,22 +26,22 @@ class increment extends command
 	{
 		$this
 			->setName('config:increment')
-			->setDescription("Increments a configuration option's value")
+			->setDescription($this->user->lang('CLI_DESCRIPTION_INCREMENT_CONFIG'))
 			->addArgument(
 				'key',
 				InputArgument::REQUIRED,
-				"The configuration option's name"
+				$this->user->lang('CLI_CONFIG_OPTION_NAME')
 			)
 			->addArgument(
 				'increment',
 				InputArgument::REQUIRED,
-				'Amount to increment by'
+				$this->user->lang('CLI_CONFIG_INCREMENT_BY')
 			)
 			->addOption(
 				'dynamic',
 				'd',
 				InputOption::VALUE_NONE,
-				'Set this option if the configuration option changes too frequently to be efficiently cached.'
+				$this->user-lang('CLI_CONFIG_CANNOT_CACHED')
 			)
 		;
 	}
@@ -65,6 +65,6 @@ class increment extends command
 
 		$this->config->increment($key, $increment, $use_cache);
 
-		$output->writeln("<info>Successfully incremented config $key</info>");
+		$output->writeln('<info>' . $this->user->lang('CLI_CONFIG_INCREMENT_SUCCESS', $key) . '</info>');
 	}
 }
diff --git a/phpBB/phpbb/console/command/config/set.php b/phpBB/phpbb/console/command/config/set.php
index 587b7fb0de..695de31013 100644
--- a/phpBB/phpbb/console/command/config/set.php
+++ b/phpBB/phpbb/console/command/config/set.php
@@ -26,22 +26,22 @@ class set extends command
 	{
 		$this
 			->setName('config:set')
-			->setDescription("Sets a configuration option's value")
+			->setDescription($this->user->lang('CLI_DESCRIPTION_SET_CONFIG'))
 			->addArgument(
 				'key',
 				InputArgument::REQUIRED,
-				"The configuration option's name"
+				$this->user->lang('CLI_CONFIG_OPTION_NAME')
 			)
 			->addArgument(
 				'value',
 				InputArgument::REQUIRED,
-				'New configuration value, use 0 and 1 to specify boolean values'
+				$this->user->lang('CLI_CONFIG_NEW')
 			)
 			->addOption(
 				'dynamic',
 				'd',
 				InputOption::VALUE_NONE,
-				'Set this option if the configuration option changes too frequently to be efficiently cached.'
+				$this->user->lang('CLI_CONFIG_CANNOT_CACHED')
 			)
 		;
 	}
@@ -65,6 +65,6 @@ class set extends command
 
 		$this->config->set($key, $value, $use_cache);
 
-		$output->writeln("<info>Successfully set config $key</info>");
+		$output->writeln('<info>' . $this->user->lang('CLI_CONFIG_SET_SUCCESS', $key) . '</info>');
 	}
 }
diff --git a/phpBB/phpbb/console/command/config/set_atomic.php b/phpBB/phpbb/console/command/config/set_atomic.php
index a7a52155f9..e8c69a0885 100644
--- a/phpBB/phpbb/console/command/config/set_atomic.php
+++ b/phpBB/phpbb/console/command/config/set_atomic.php
@@ -26,27 +26,27 @@ class set_atomic extends command
 	{
 		$this
 			->setName('config:set-atomic')
-			->setDescription("Sets a configuration option's value only if the old matches the current value.")
+			->setDescription($this->user->lang('CLI_DESCRIPTION_SET_ATOMIC_CONFIG'))
 			->addArgument(
 				'key',
 				InputArgument::REQUIRED,
-				"The configuration option's name"
+				$this->user->lang('CLI_CONFIG_OPTION_NAME')
 			)
 			->addArgument(
 				'old',
 				InputArgument::REQUIRED,
-				'Current configuration value, use 0 and 1 to specify boolean values'
+				$this->user->lang('CLI_CONFIG_CURRENT')
 			)
 			->addArgument(
 				'new',
 				InputArgument::REQUIRED,
-				'New configuration value, use 0 and 1 to specify boolean values'
+				$this->user->lang('CLI_CONFIG_NEW')
 			)
 			->addOption(
 				'dynamic',
 				'd',
 				InputOption::VALUE_NONE,
-				'Set this option if the configuration option changes too frequently to be efficiently cached.'
+				$this->user->lang('CLI_CONFIG_CANNOT_CACHED')
 			)
 		;
 	}
@@ -72,12 +72,12 @@ class set_atomic extends command
 
 		if ($this->config->set_atomic($key, $old_value, $new_value, $use_cache))
 		{
-			$output->writeln("<info>Successfully set config $key</info>");
+			$output->writeln('<info>' . $this->user->lang('CLI_CONFIG_SET_SUCCESS', $key) . '</info>');
 			return 0;
 		}
 		else
 		{
-			$output->writeln("<error>Could not set config $key</error>");
+			$output->writeln('<error>' . $this->user->lang('CLI_CONFIG_SET_FAILURE', $key) . '</error>');
 			return 1;
 		}
 	}
diff --git a/phpBB/phpbb/console/command/db/migrate.php b/phpBB/phpbb/console/command/db/migrate.php
index 758b125b13..bb5f83b16f 100644
--- a/phpBB/phpbb/console/command/db/migrate.php
+++ b/phpBB/phpbb/console/command/db/migrate.php
@@ -47,7 +47,7 @@ class migrate extends \phpbb\console\command\command
 	{
 		$this
 			->setName('db:migrate')
-			->setDescription('Updates the database by applying migrations.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_DB_MIGRATE'))
 		;
 	}
 
diff --git a/phpBB/phpbb/console/command/dev/migration_tips.php b/phpBB/phpbb/console/command/dev/migration_tips.php
index e1387b34ae..f9047bdac8 100644
--- a/phpBB/phpbb/console/command/dev/migration_tips.php
+++ b/phpBB/phpbb/console/command/dev/migration_tips.php
@@ -30,7 +30,7 @@ class migration_tips extends \phpbb\console\command\command
 	{
 		$this
 			->setName('dev:migration-tips')
-			->setDescription('Finds migrations that are not depended on.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_FIND_MIGRATIONS'))
 		;
 	}
 
diff --git a/phpBB/phpbb/console/command/extension/disable.php b/phpBB/phpbb/console/command/extension/disable.php
index c04848aa01..1eee16cbd9 100644
--- a/phpBB/phpbb/console/command/extension/disable.php
+++ b/phpBB/phpbb/console/command/extension/disable.php
@@ -22,11 +22,11 @@ class disable extends command
 	{
 		$this
 			->setName('extension:disable')
-			->setDescription('Disables the specified extension.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_DISABLE_EXTENSION'))
 			->addArgument(
 				'extension-name',
 				InputArgument::REQUIRED,
-				'Name of the extension'
+				$this->user->lang('CLI_EXTENSION_NAME')
 			)
 		;
 	}
@@ -39,13 +39,13 @@ class disable extends command
 
 		if ($this->manager->is_enabled($name))
 		{
-			$output->writeln("<error>Could not disable extension $name</error>");
+			$output->writeln('<error>' . $this->user->lang('CLI_EXTENSION_DISABLE_FAILURE', $name) . '</error>');
 			return 1;
 		}
 		else
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_DISABLE', time(), array($name));
-			$output->writeln("<info>Successfully disabled extension $name</info>");
+			$output->writeln('<info>' . $this->user->lang('CLI_EXTENSION_DISABLE_SUCCESS', $name) . '</info>');
 			return 0;
 		}
 	}
diff --git a/phpBB/phpbb/console/command/extension/enable.php b/phpBB/phpbb/console/command/extension/enable.php
index 86a034cdf4..cca4975aa6 100644
--- a/phpBB/phpbb/console/command/extension/enable.php
+++ b/phpBB/phpbb/console/command/extension/enable.php
@@ -22,11 +22,11 @@ class enable extends command
 	{
 		$this
 			->setName('extension:enable')
-			->setDescription('Enables the specified extension.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_ENABLE_EXTENSION'))
 			->addArgument(
 				'extension-name',
 				InputArgument::REQUIRED,
-				'Name of the extension'
+				$this->user->lang('CLI_EXTENSION_NAME')
 			)
 		;
 	}
@@ -40,12 +40,12 @@ class enable extends command
 		if ($this->manager->is_enabled($name))
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_ENABLE', time(), array($name));
-			$output->writeln("<info>Successfully enabled extension $name</info>");
+			$output->writeln('<error>' . $this->user->lang('CLI_EXTENSION_ENABLE_FAILURE', $name) . '</error>');
 			return 0;
 		}
 		else
 		{
-			$output->writeln("<error>Could not enable extension $name</error>");
+			$output->writeln('<info>' . $this->user->lang('CLI_EXTENSION_ENABLE_SUCCESS', $name) . '</info>');
 			return 1;
 		}
 	}
diff --git a/phpBB/phpbb/console/command/extension/purge.php b/phpBB/phpbb/console/command/extension/purge.php
index 841598b90a..517e9a74c9 100644
--- a/phpBB/phpbb/console/command/extension/purge.php
+++ b/phpBB/phpbb/console/command/extension/purge.php
@@ -22,11 +22,11 @@ class purge extends command
 	{
 		$this
 			->setName('extension:purge')
-			->setDescription('Purges the specified extension.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_PURGE_EXTENSION'))
 			->addArgument(
 				'extension-name',
 				InputArgument::REQUIRED,
-				'Name of the extension'
+				$this->user->lang('CLI_EXTENSION_NAME')
 			)
 		;
 	}
@@ -39,13 +39,13 @@ class purge extends command
 
 		if ($this->manager->is_enabled($name))
 		{
-			$output->writeln("<error>Could not purge extension $name</error>");
+			$output->writeln('<error>' . $this->user->lang('CLI_EXTENSION_PURGE_FAILURE', $name) . '</error>');
 			return 1;
 		}
 		else
 		{
 			$this->log->add('admin', ANONYMOUS, '', 'LOG_EXT_PURGE', time(), array($name));
-			$output->writeln("<info>Successfully purge extension $name</info>");
+			$output->writeln('<info>' . $this->user->lang('CLI_EXTENSION_PURGE_SUCCESS', $name) . '</info>');
 			return 0;
 		}
 	}
diff --git a/phpBB/phpbb/console/command/extension/show.php b/phpBB/phpbb/console/command/extension/show.php
index 2db1c59e24..6ce9607098 100644
--- a/phpBB/phpbb/console/command/extension/show.php
+++ b/phpBB/phpbb/console/command/extension/show.php
@@ -21,7 +21,7 @@ class show extends command
 	{
 		$this
 			->setName('extension:show')
-			->setDescription('Lists all extensions in the database and on the filesystem.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_LIST_EXTENSIONS'))
 		;
 	}
 
@@ -32,7 +32,7 @@ class show extends command
 
 		if (empty($all))
 		{
-			$output->writeln('<comment>No extensions were found.</comment>');
+			$output->writeln('<comment>' . $this->user->lang('CLI_EXTENSION_NOT_FOUND') . '</comment>');
 			return 3;
 		}
 
diff --git a/phpBB/phpbb/console/command/fixup/recalculate_email_hash.php b/phpBB/phpbb/console/command/fixup/recalculate_email_hash.php
index cb821cfe20..ec4e1b0ee7 100644
--- a/phpBB/phpbb/console/command/fixup/recalculate_email_hash.php
+++ b/phpBB/phpbb/console/command/fixup/recalculate_email_hash.php
@@ -31,7 +31,7 @@ class recalculate_email_hash extends \phpbb\console\command\command
 	{
 		$this
 			->setName('fixup:recalculate-email-hash')
-			->setDescription('Recalculates the user_email_hash column of the users table.')
+			->setDescription($this->user->lang('CLI_DESCRIPTION_RECALCULATE_EMAIL_HASH'))
 		;
 	}
 
@@ -70,6 +70,6 @@ class recalculate_email_hash extends \phpbb\console\command\command
 		}
 		$this->db->sql_freeresult($result);
 
-		$output->writeln('<info>Successfully recalculated all email hashes.</info>');
+		$output->writeln('<info>' . $this->user->lang('CLI_FIXUP_RECALCULATE_EMAIL_HASH_SUCCESS') . '</info>');
 	}
 }