diff --git a/src/Copper/Copper.php b/src/Copper/Copper.php
index 954279c02779f8c0126a33c7a9775e4f7a49f9f3..8d352083d3b19d22e6ea5344e825661fb350ece6 100755
--- a/src/Copper/Copper.php
+++ b/src/Copper/Copper.php
@@ -183,10 +183,13 @@ class Copper
 
     /**
      * Format the number using SI units and prefixes.
-     * @param Unit $unit SI Unit to display using.
+     *
+     * @param  Unit  $unit  SI Unit to display using.
+     *
      * @parm bool $usePrefix Set whether to use prefixes.
-     * @param bool $useThrees Set whether to use only multiples of three in prefixes.
-     * @param int|null $precision Set the precision of the number.
+     *
+     * @param  bool  $useThrees  Set whether to use only multiples of three in prefixes.
+     * @param  int|null  $precision  Set the precision of the number.
      * @return string Formatted number.
      */
     public static function unit(Unit $unit, bool $usePrefix = true, bool $useThrees = true, ?int $precision = null): string
@@ -201,13 +204,13 @@ class Copper
         $value = self::$value;
         $exponent = 0;
 
-        if($usePrefix) {
-            $exponent = (int) (floor(log10(abs($value))));
+        if ($usePrefix) {
+            $exponent = (int) floor(log10(abs($value)));
 
             if ($useThrees || $exponent >= 3) {
                 $options = [
                     (int) floor($exponent / 3) * 3,
-                    (int) ceil($exponent / 3) * 3
+                    (int) ceil($exponent / 3) * 3,
                 ];
                 $exponent =
                     abs($exponent - $options[0]) < abs($options[1] - $exponent)
@@ -218,7 +221,7 @@ class Copper
             $value /= (10 ** $exponent);
         }
 
-        return self::$formatter->format($value) . ' ' . Prefix::from($exponent)->symbol() . $unit->value;
+        return self::$formatter->format($value).' '.Prefix::from($exponent)->symbol().$unit->value;
     }
 
     /**
diff --git a/src/Copper/Enums/Prefix.php b/src/Copper/Enums/Prefix.php
index 107068e7c6ff43d9d3bd9b11be4aea7039743c36..8daedefce4336867579a3c28202f5fdb252789f8 100644
--- a/src/Copper/Enums/Prefix.php
+++ b/src/Copper/Enums/Prefix.php
@@ -32,8 +32,9 @@ enum Prefix: int
     case RONTO = -27;
     case QUECTO = -30;
 
-    public function symbol(): string {
-        return match($this) {
+    public function symbol(): string
+    {
+        return match ($this) {
             self::QUETTA => 'Q',
             self::RONNA => 'R',
             self::YOTTA => 'Y',
@@ -62,7 +63,8 @@ enum Prefix: int
         };
     }
 
-    public function multipleOfThree(): bool {
+    public function multipleOfThree(): bool
+    {
         return ! abs(self::value) % 3;
     }
 }
diff --git a/src/Copper/Enums/Unit.php b/src/Copper/Enums/Unit.php
index 8dae1769933a252df1fbc035d88f9110b6e2f5a8..d591ee2163e0d15fc81609f045f5a3991c128b65 100644
--- a/src/Copper/Enums/Unit.php
+++ b/src/Copper/Enums/Unit.php
@@ -36,9 +36,9 @@ enum Unit: string
     case SIEVERT = 'Sv';
     case KATAL = 'kat';
 
-    public function name(): string {
-        return match($this)
-        {
+    public function name(): string
+    {
+        return match ($this) {
             self::SECOND => 'Second',
             self::METRE => 'Metre',
             self::GRAM => 'Gram',