diff --git a/src/PublicStream.php b/src/PublicStream.php
index c3faedd..b4bcdf0 100644
--- a/src/PublicStream.php
+++ b/src/PublicStream.php
@@ -11,8 +11,7 @@ public function __construct(
         string $accessSecret,
         string $consumerKey,
         string $consumerSecret
-    )
-    {
+    ) {
         $this->stream = $this->createStream(
             $accessToken,
             $accessSecret,
@@ -24,7 +23,7 @@ public function __construct(
 
     public function whenHears(string | array $listenFor, callable $whenHears): self
     {
-        if (!is_array($listenFor)) {
+        if (! is_array($listenFor)) {
             $listenFor = [$listenFor];
         }
 
@@ -46,7 +45,7 @@ public function whenFrom(array $boundingBoxes, callable $whenFrom): self
 
     public function whenTweets(string | array $twitterUserIds, callable $whenTweets): self
     {
-        if (!is_array($twitterUserIds)) {
+        if (! is_array($twitterUserIds)) {
             $twitterUserIds = [$twitterUserIds];
         }