diff --git a/captcha-config.php b/captcha-config.php
index 68bc48d..428aef6 100644
--- a/captcha-config.php
+++ b/captcha-config.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Configuration options for IconCaptcha library.
  *
diff --git a/core/modules/captcha/captcha-request.php b/core/modules/captcha/captcha-request.php
index 176a60c..3092761 100644
--- a/core/modules/captcha/captcha-request.php
+++ b/core/modules/captcha/captcha-request.php
@@ -30,7 +30,6 @@
 use IconCaptcha\IconCaptcha;
 
 try {
-
 	// Start a session.
 	// * Only required when using any 'session' driver in the configuration.
 	session_start();
@@ -48,9 +47,6 @@
 	// Request was not supported/recognized.
 	http_response_code(400);
 } catch (Throwable $exception) {
-
 	http_response_code(500);
-
 	// Add your custom error logging handling here.
-
 }
diff --git a/core/modules/security/captcha/modCaptchaEasytooltipadvanced.class.php b/core/modules/security/captcha/modCaptchaEasytooltipadvanced.class.php
index f89bf19..d1779ed 100644
--- a/core/modules/security/captcha/modCaptchaEasytooltipadvanced.class.php
+++ b/core/modules/security/captcha/modCaptchaEasytooltipadvanced.class.php
@@ -95,13 +95,13 @@ public function getExample()
 		$out .= '
 
 		<!-- Include the assets. Change the paths accordingly or use the CDN assets. -->
-		<link href="'.dol_buildpath('/easytooltip/iconcaptcha/client/css/iconcaptcha.min.css', 1).'" rel="stylesheet" type="text/css">
-		<script src="'.dol_buildpath('/easytooltip/iconcaptcha/client//js/iconcaptcha.min.js', 1).'" type="text/javascript"></script>
+		<link href="' . dol_buildpath('/easytooltip/iconcaptcha/client/css/iconcaptcha.min.css', 1) . '" rel="stylesheet" type="text/css">
+		<script src="' . dol_buildpath('/easytooltip/iconcaptcha/client//js/iconcaptcha.min.js', 1) . '" type="text/javascript"></script>
 		<script type="text/javascript">
 			document.addEventListener("DOMContentLoaded", function() {
 				IconCaptcha.init(".iconcaptcha-widget", {
 					general: {
-						endpoint: "'.dol_buildpath('/easytooltip/core/modules/captcha/captcha-request.php', 1).'",
+						endpoint: "' . dol_buildpath('/easytooltip/core/modules/captcha/captcha-request.php', 1) . '",
 						fontFamily: "inherit",
 						showCredits: false,
 					},
@@ -115,17 +115,17 @@ public function getExample()
 					},
 					locale: {
 						initialization: {
-							verify: "'.$langs->trans('VerifyThatYouAreHuman').'",
+							verify: "' . $langs->trans('VerifyThatYouAreHuman') . '",
 							loading: "Loading challenge...",
 					},
-					header: "'.$langs->trans('SelectTheImageDisplayed').'",
+					header: "' . $langs->trans('SelectTheImageDisplayed') . '",
 					correct: "Verification complete.",
 					incorrect: {
 						title: "Uh oh.",
 						subtitle: "You\'ve selected the wrong image.",
 					},
 					timeout: {
-						title: "'.$langs->trans('PleaseWait').'",
+						title: "' . $langs->trans('PleaseWait') . '",
 						subtitle: "You made too many incorrect selections."
 					}
 						}
@@ -160,13 +160,13 @@ public function getCaptchaCodeForForm($php_self = '')
 		$out .= '
 
 		<!-- Include the assets. Change the paths accordingly or use the CDN assets. -->
-		<link href="'.dol_buildpath('/easytooltip/iconcaptcha/client/css/iconcaptcha.min.css', 1).'" rel="stylesheet" type="text/css">
-		<script src="'.dol_buildpath('/easytooltip/iconcaptcha/client//js/iconcaptcha.min.js', 1).'" type="text/javascript"></script>
+		<link href="' . dol_buildpath('/easytooltip/iconcaptcha/client/css/iconcaptcha.min.css', 1) . '" rel="stylesheet" type="text/css">
+		<script src="' . dol_buildpath('/easytooltip/iconcaptcha/client//js/iconcaptcha.min.js', 1) . '" type="text/javascript"></script>
 		<script type="text/javascript">
 			document.addEventListener("DOMContentLoaded", function() {
 				IconCaptcha.init(".iconcaptcha-widget", {
 					general: {
-						endpoint: "'.dol_buildpath('/easytooltip/core/modules/captcha/captcha-request.php', 1).'",
+						endpoint: "' . dol_buildpath('/easytooltip/core/modules/captcha/captcha-request.php', 1) . '",
 						fontFamily: "inherit",
 						showCredits: false,
 					},
@@ -180,17 +180,17 @@ public function getCaptchaCodeForForm($php_self = '')
 					},
 					locale: {
 						initialization: {
-							verify: "'.$langs->trans('VerifyThatYouAreHuman').'",
+							verify: "' . $langs->trans('VerifyThatYouAreHuman') . '",
 							loading: "Loading challenge...",
 					},
-					header: "'.$langs->trans('SelectTheImageDisplayed').'",
+					header: "' . $langs->trans('SelectTheImageDisplayed') . '",
 					correct: "Verification complete.",
 					incorrect: {
 						title: "Uh oh.",
 						subtitle: "You\'ve selected the wrong image.",
 					},
 					timeout: {
-						title: "'.$langs->trans('PleaseWait').'",
+						title: "' . $langs->trans('PleaseWait') . '",
 						subtitle: "You made too many incorrect selections."
 					}
 						}