Some code cleanup.

app/Support/Amount.php

@@ -111,9 +111,9 @@ class Amount
     }
 
     /**
-     * @param string $symbol
-     * @param float  $amount
-     * @param bool   $coloured
+     * @param string       $symbol
+     * @param float|string $amount
+     * @param bool         $coloured
      *
      * @return string
      */

app/Support/Migration/TestData.php

@@ -323,6 +323,7 @@ class TestData
     }
 
     /**
+     * @param User   $user
      * @param Carbon $date
      * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
      */
@@ -651,9 +652,10 @@ class TestData
     }
 
     /**
-     * @param        $description
+     * @param User   $user
+     * @param string $description
      * @param Carbon $date
-     * @param        $amount
+     * @param string $amount
      *
      * @return TransactionJournal
      */
@@ -848,6 +850,7 @@ class TestData
     }
 
     /**
+     * @param User   $user
      * @param Carbon $date
      *
      * @return TransactionJournal
@@ -985,7 +988,7 @@ class TestData
      * @param Carbon $date
      * @param string $amount
      *
-     * @return static
+     * @return TransactionJournal|static
      */
     public static function createWater(User $user, string $description, Carbon $date, string $amount): TransactionJournal
     {

app/Support/Steam.php

@@ -184,7 +184,7 @@ class Steam
 
         if (!(strpos($string, 'm') === false)) {
             // has a M in it, remove the M and multiply by 1048576.
-            $bytes = bcmul(rtrim($string, 'm'),'1048576');
+            $bytes = bcmul(rtrim($string, 'm'), '1048576');
 
             return intval($bytes);
         }