diff --git a/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php b/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php
index 83d40bbba7..cb21b04ec5 100644
--- a/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php
+++ b/phpBB/includes/captcha/plugins/phpbb_recaptcha_plugin.php
@@ -270,7 +270,7 @@ class phpbb_recaptcha extends phpbb_default_captcha
 		$response = '';
 		if (false == ($fs = @fsockopen($host, $port, $errno, $errstr, 10)))
 		{
-			trigger_error('Could not open socket', E_USER_ERROR);
+			trigger_error('RECAPTCHA_SOCKET_ERROR', E_USER_ERROR);
 		}
 
 		fwrite($fs, $http_request);
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index 58d2ad4760..6b5d7bd1df 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -2731,7 +2731,7 @@ function redirect($url, $return = false, $disable_cd_check = false)
 	// Make sure no linebreaks are there... to prevent http response splitting for PHP < 4.4.2
 	if (strpos(urldecode($url), "\n") !== false || strpos(urldecode($url), "\r") !== false || strpos($url, ';') !== false)
 	{
-		trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR);
+		trigger_error('INSECURE_REDIRECT', E_USER_ERROR);
 	}
 
 	// Now, also check the protocol and for a valid url the last time...
@@ -2740,7 +2740,7 @@ function redirect($url, $return = false, $disable_cd_check = false)
 
 	if ($url_parts === false || empty($url_parts['scheme']) || !in_array($url_parts['scheme'], $allowed_protocols))
 	{
-		trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR);
+		trigger_error('INSECURE_REDIRECT', E_USER_ERROR);
 	}
 
 	if ($return)
@@ -4182,7 +4182,7 @@ function phpbb_checkdnsrr($host, $type = 'MX')
 // Handler, header and footer
 
 /**
-* Error and message handler, call with trigger_error if reqd
+* Error and message handler, call with trigger_error if read
 */
 function msg_handler($errno, $msg_text, $errfile, $errline)
 {
diff --git a/phpBB/includes/user.php b/phpBB/includes/user.php
index 9ddd806b27..4477c98097 100644
--- a/phpBB/includes/user.php
+++ b/phpBB/includes/user.php
@@ -215,7 +215,7 @@ class phpbb_user extends phpbb_session
 
 		if (!$this->style)
 		{
-			trigger_error('Could not get style data', E_USER_ERROR);
+			trigger_error('STYLE_NOT_FOUND', E_USER_ERROR);
 		}
 
 		// Now parse the cfg file and cache it
diff --git a/phpBB/language/en/captcha_recaptcha.php b/phpBB/language/en/captcha_recaptcha.php
index c72957ca16..3d91a9d110 100644
--- a/phpBB/language/en/captcha_recaptcha.php
+++ b/phpBB/language/en/captcha_recaptcha.php
@@ -46,4 +46,5 @@ $lang = array_merge($lang, array(
 	'RECAPTCHA_PRIVATE_EXPLAIN'		=> 'Your private reCaptcha key. Keys can be obtained on <a href="http://www.google.com/recaptcha">www.google.com/recaptcha</a>.',
 
 	'RECAPTCHA_EXPLAIN'				=> 'In an effort to prevent automatic submissions, we require that you enter both of the words displayed into the text field underneath.',
+	'RECAPTCHA_SOCKET_ERROR'		=> 'There was a problem connecting to the RECAPTCHA service: could not open socket. Try again later.',
 ));
diff --git a/phpBB/language/en/common.php b/phpBB/language/en/common.php
index 5d6fe03b5f..c2db496437 100644
--- a/phpBB/language/en/common.php
+++ b/phpBB/language/en/common.php
@@ -313,6 +313,7 @@ $lang = array_merge($lang, array(
 	'IN'						=> 'in',
 	'INDEX'						=> 'Index page',
 	'INFORMATION'				=> 'Information',
+	'INSECURE_REDIRECT'			=> 'Tried to redirect to potentially insecure url.',
 	'INTERESTS'					=> 'Interests',
 	'INVALID_DIGEST_CHALLENGE'	=> 'Invalid digest challenge.',
 	'INVALID_EMAIL_LOG'			=> '<strong>%s</strong> possibly an invalid email address?',
@@ -638,6 +639,7 @@ $lang = array_merge($lang, array(
 	'STATISTICS'				=> 'Statistics',
 	'START_WATCHING_FORUM'		=> 'Subscribe forum',
 	'START_WATCHING_TOPIC'		=> 'Subscribe topic',
+	'STYLE_NOT_FOUND'			=> 'Could not get style data',
 	'STOP_WATCHING_FORUM'		=> 'Unsubscribe forum',
 	'STOP_WATCHING_TOPIC'		=> 'Unsubscribe topic',
 	'SUBFORUM'					=> 'Subforum',
diff --git a/phpBB/language/en/mcp.php b/phpBB/language/en/mcp.php
index eaa2d7e3a5..29f418183f 100644
--- a/phpBB/language/en/mcp.php
+++ b/phpBB/language/en/mcp.php
@@ -250,6 +250,8 @@ $lang = array_merge($lang, array(
 	'ONLY_TOPIC'			=> 'Only topic ā€œ%sā€',
 	'OTHER_USERS'			=> 'Other users posting from this IP',
 
+	'QUICKMOD_ACTION_NOT_ALLOWED' => "%s not allowed as quickmod",
+
 	'PM_REPORT_CLOSED_SUCCESS'	=> 'The selected PM report has been closed successfully.',
 	'PM_REPORT_DELETED_SUCCESS'	=> 'The selected PM report has been deleted successfully.',
 	'PM_REPORTED_SUCCESS'		=> 'This private message has been successfully reported.',
diff --git a/phpBB/mcp.php b/phpBB/mcp.php
index d04a297cf9..c36faad74b 100644
--- a/phpBB/mcp.php
+++ b/phpBB/mcp.php
@@ -182,7 +182,7 @@ if ($quickmod)
 		break;
 
 		default:
-			trigger_error("$action not allowed as quickmod", E_USER_ERROR);
+			trigger_error($user->lang('QUICKMOD_ACTION_NOT_ALLOWED', $action), E_USER_ERROR);
 		break;
 	}
 }
diff --git a/tests/security/redirect_test.php b/tests/security/redirect_test.php
index 1325466137..8e36780ca4 100644
--- a/tests/security/redirect_test.php
+++ b/tests/security/redirect_test.php
@@ -18,11 +18,11 @@ class phpbb_security_redirect_test extends phpbb_security_test_base
 		// array(Input -> redirect(), expected triggered error (else false), expected returned result url (else false))
 		return array(
 			array('data://x', false, 'http://localhost/phpBB'),
-			array('bad://localhost/phpBB/index.php', 'Tried to redirect to potentially insecure url.', false),
+			array('bad://localhost/phpBB/index.php', 'INSECURE_REDIRECT', false),
 			array('http://www.otherdomain.com/somescript.php', false, 'http://localhost/phpBB'),
-			array("http://localhost/phpBB/memberlist.php\n\rConnection: close", 'Tried to redirect to potentially insecure url.', false),
+			array("http://localhost/phpBB/memberlist.php\n\rConnection: close", 'INSECURE_REDIRECT', false),
 			array('javascript:test', false, 'http://localhost/phpBB/../javascript:test'),
-			array('http://localhost/phpBB/index.php;url=', 'Tried to redirect to potentially insecure url.', false),
+			array('http://localhost/phpBB/index.php;url=', 'INSECURE_REDIRECT', false),
 		);
 	}