diff --git a/src/Helper/InflectsString.php b/src/Helper/InflectsString.php
index f458620..243a8d6 100644
--- a/src/Helper/InflectsString.php
+++ b/src/Helper/InflectsString.php
@@ -53,7 +53,7 @@ public function toWords(string $string): string
     }
 
     /**
-     * Return width of string
+     * Return width of string.
      */
     public function strwidth(string $string): int
     {
@@ -65,7 +65,7 @@ public function strwidth(string $string): int
     }
 
     /**
-     * Get part of string
+     * Get part of string.
      */
     public function substr(string $string, int $start, ?int $length = null): string
     {
diff --git a/src/Output/Table.php b/src/Output/Table.php
index ed4a872..41e6303 100644
--- a/src/Output/Table.php
+++ b/src/Output/Table.php
@@ -176,7 +176,7 @@ protected function parseStyle(array|callable $style, $val, array $row, array $ta
     }
 
     /**
-     * Pad a multibyte string to a certain length with another multibyte string
+     * Pad a multibyte string to a certain length with another multibyte string.
      */
     protected function strPad(string $string, int $length, string $pad_string = ' '): string
     {
diff --git a/tests/Output/TableTest.php b/tests/Output/TableTest.php
index 51bc634..682d872 100644
--- a/tests/Output/TableTest.php
+++ b/tests/Output/TableTest.php
@@ -642,24 +642,24 @@ public function test_render_with_html_like_tags_in_cell_content(): void
 
     public function test_render_with_unicode_characters_in_cell_content(): void
     {
-        if (! extension_loaded('mbstring')) {
+        if (!extension_loaded('mbstring')) {
             $this->markTestSkipped('The mbstring extension is not installed. This test will faill without it');
         }
 
         $rows = [
             ['name' => 'François', 'greeting' => 'Bonjour'],
             ['name' => 'Jürgen', 'greeting' => 'Guten Tag'],
-            ['name' => '北京', 'greeting' => '你好']
+            ['name' => '北京', 'greeting' => '你好'],
         ];
 
         $expectedOutput =
-            "+----------+-----------+" . PHP_EOL .
-            "| Name     | Greeting  |" . PHP_EOL .
-            "+----------+-----------+" . PHP_EOL .
-            "| François | Bonjour   |" . PHP_EOL .
-            "| Jürgen   | Guten Tag |" . PHP_EOL .
-            "| 北京     | 你好      |" . PHP_EOL .
-            "+----------+-----------+";
+            '+----------+-----------+' . PHP_EOL .
+            '| Name     | Greeting  |' . PHP_EOL .
+            '+----------+-----------+' . PHP_EOL .
+            '| François | Bonjour   |' . PHP_EOL .
+            '| Jürgen   | Guten Tag |' . PHP_EOL .
+            '| 北京     | 你好      |' . PHP_EOL .
+            '+----------+-----------+';
 
         $result = $this->table->render($rows);