diff --git a/app/Export/Collector/AttachmentCollector.php b/app/Export/Collector/AttachmentCollector.php
index 785adfbd51..c4c52cbf29 100644
--- a/app/Export/Collector/AttachmentCollector.php
+++ b/app/Export/Collector/AttachmentCollector.php
@@ -52,7 +52,7 @@ class AttachmentCollector extends BasicCollector implements CollectorInterface
      */
     public function __construct()
     {
-        // @var AttachmentRepositoryInterface repository
+        /** @var AttachmentRepositoryInterface repository */
         $this->repository = app(AttachmentRepositoryInterface::class);
         // make storage:
         $this->uploadDisk = Storage::disk('upload');
diff --git a/app/Generator/Report/Audit/MonthReportGenerator.php b/app/Generator/Report/Audit/MonthReportGenerator.php
index d46c872d58..9bdf1b28be 100644
--- a/app/Generator/Report/Audit/MonthReportGenerator.php
+++ b/app/Generator/Report/Audit/MonthReportGenerator.php
@@ -26,6 +26,7 @@ use Carbon\Carbon;
 use FireflyIII\Generator\Report\ReportGeneratorInterface;
 use FireflyIII\Helpers\Collector\JournalCollectorInterface;
 use FireflyIII\Models\Account;
+use FireflyIII\Models\Transaction;
 use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
 use Illuminate\Support\Collection;
 use Steam;
@@ -173,7 +174,7 @@ class MonthReportGenerator implements ReportGeneratorInterface
         $startBalance     = $dayBeforeBalance;
         $currency         = $currencyRepos->find(intval($account->getMeta('currency_id')));
 
-        // @var Transaction $journal
+        /** @var Transaction $transaction */
         foreach ($journals as $transaction) {
             $transaction->before = $startBalance;
             $transactionAmount   = $transaction->transaction_amount;
diff --git a/app/Http/Controllers/Report/CategoryController.php b/app/Http/Controllers/Report/CategoryController.php
index de3f0f57dc..7491bd34a2 100644
--- a/app/Http/Controllers/Report/CategoryController.php
+++ b/app/Http/Controllers/Report/CategoryController.php
@@ -129,12 +129,12 @@ class CategoryController extends Controller
         $report     = [];
         /** @var Category $category */
         foreach ($categories as $category) {
-            $spent = $repository->spentInPeriod(new Collection([$category]), $accounts, $start, $end);
-            if (0 !== bccomp($spent, '0')) {
-                $report[$category->id] = ['name' => $category->name, 'spent' => $spent, 'id' => $category->id];
+            $spent  = $repository->spentInPeriod(new Collection([$category]), $accounts, $start, $end);
+            $earned = $repository->earnedInPeriod(new Collection([$category]), $accounts, $start, $end);
+            if (0 !== bccomp($spent, '0') || 0 !== bccomp($earned, '0')) {
+                $report[$category->id] = ['name' => $category->name, 'spent' => $spent, 'earned' => $earned, 'id' => $category->id];
             }
         }
-
         // sort the result
         // Obtain a list of columns
         $sum = [];
diff --git a/app/Models/PiggyBank.php b/app/Models/PiggyBank.php
index 51904e9f9d..2140c33b8b 100644
--- a/app/Models/PiggyBank.php
+++ b/app/Models/PiggyBank.php
@@ -158,7 +158,7 @@ class PiggyBank extends Model
     public function leftOnAccount(Carbon $date): string
     {
         $balance = Steam::balanceIgnoreVirtual($this->account, $date);
-        // @var PiggyBank $p
+        /** @var PiggyBank $piggyBank */
         foreach ($this->account->piggyBanks as $piggyBank) {
             $currentAmount = $piggyBank->currentRelevantRep()->currentamount ?? '0';
 
diff --git a/app/Repositories/Tag/TagRepository.php b/app/Repositories/Tag/TagRepository.php
index 9d18a137cb..901d43221c 100644
--- a/app/Repositories/Tag/TagRepository.php
+++ b/app/Repositories/Tag/TagRepository.php
@@ -126,7 +126,7 @@ class TagRepository implements TagRepositoryInterface
     public function findByTag(string $tag): Tag
     {
         $tags = $this->user->tags()->get();
-        // @var Tag $tag
+        /** @var Tag $databaseTag */
         foreach ($tags as $databaseTag) {
             if ($databaseTag->tag === $tag) {
                 return $databaseTag;
diff --git a/resources/views/reports/partials/categories.twig b/resources/views/reports/partials/categories.twig
index c59ad3d3cd..f5d0385606 100644
--- a/resources/views/reports/partials/categories.twig
+++ b/resources/views/reports/partials/categories.twig
@@ -2,14 +2,17 @@
     <thead>
     <tr>
         <th>{{ 'category'|_ }}</th>
+        <th style="text-align: right;">{{ 'earned'|_ }}</th>
         <th style="text-align: right;">{{ 'spent'|_ }}</th>
         <th>&nbsp;</th>
     </tr>
     </thead>
     <tbody>
-    {% set sum = 0 %}
+    {% set sumSpent = 0 %}
+    {% set sumEarned = 0 %}
     {% for index, category in report %}
-        {% set sum = sum + category.spent %}
+        {% set sumSpent = sumSpent + category.spent %}
+        {% set sumEarned = sumEarned + category.earned %}
         {% if loop.index > listLength %}
             <tr class="overListLength">
         {% else %}
@@ -18,6 +21,7 @@
         <td>
             <a href="{{ route('categories.show', category.id) }}">{{ category.name }}</a>
         </td>
+        <td style="text-align: right;">{{ 0|formatAmount }}</td>
         <td style="text-align: right;">{{ category.spent|formatAmount }}</td>
         <td style="width:20px;">
             <i class="fa fa-fw fa-info-circle text-muted firefly-info-button"
@@ -38,7 +42,8 @@
 
     <tr>
         <td><em>{{ 'sum'|_ }}</em></td>
-        <td style="text-align: right;">{{ sum|formatAmount }}</td>
+        <td style="text-align: right;">{{ sumEarned|formatAmount }}</td>
+        <td style="text-align: right;">{{ sumSpent|formatAmount }}</td>
         <td>&nbsp;</td>
     </tr>
     </tfoot>