diff --git a/src/App.php b/src/App.php
index 2d635951be..400ea15b19 100644
--- a/src/App.php
+++ b/src/App.php
@@ -614,9 +614,9 @@ class App
 			if (!empty($_GET['zrl']) && $this->mode->isNormal() && !$this->mode->isBackend() && !local_user()) {
 				// Only continue when the given profile link seems valid
 				// Valid profile links contain a path with "/profile/" and no query parameters
-				if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == "") &&
-					strstr(parse_url($_GET['zrl'], PHP_URL_PATH), "/profile/")) {
-					if (Core\Session::get('visitor_home') != $_GET["zrl"]) {
+				if ((parse_url($_GET['zrl'], PHP_URL_QUERY) == '') &&
+					strstr(parse_url($_GET['zrl'], PHP_URL_PATH), '/profile/')) {
+					if (Core\Session::get('visitor_home') != $_GET['zrl']) {
 						Core\Session::set('my_url', $_GET['zrl']);
 						Core\Session::set('authenticated', 0);
 
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index d6b2780ef3..f8ff91ec55 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -2557,7 +2557,7 @@ class Contact
 	 * @throws HTTPException\InternalServerErrorException
 	 * @throws \ImagickException
 	 */
-	public static function updateFromProbeByURL($url)
+	public static function updateFromProbeByURL(string $url): int
 	{
 		$id = self::getIdForURL($url);
 
@@ -2578,7 +2578,7 @@ class Contact
 	 * @param string $network Network of that contact
 	 * @return string with protocol
 	 */
-	public static function getProtocol($url, $network)
+	public static function getProtocol(string $url, string $network): string
 	{
 		if ($network != Protocol::DFRN) {
 			return $network;
@@ -2945,6 +2945,7 @@ class Contact
 	 * Update the local relationship when a local user loses a follower
 	 *
 	 * @param array $contact User-specific contact (uid != 0) array
+	 * @return void
 	 * @throws HTTPException\InternalServerErrorException
 	 * @throws \ImagickException
 	 */