diff --git a/src/ReadableCaptionTrait.php b/src/ReadableCaptionTrait.php
index 14d74751..b5ed489c 100644
--- a/src/ReadableCaptionTrait.php
+++ b/src/ReadableCaptionTrait.php
@@ -9,8 +9,7 @@ trait ReadableCaptionTrait
     /**
      * Generates human readable caption from camelCase model class name or field names.
      *
-     * This will translate 'this\\ _isNASA_MyBigBull shit_123\Foo'
-     * into 'This Is NASA My Big Bull Shit 123 Foo'
+     * This will translate 'this\ _isNASA_MyBigBull shit_123\Foo' into 'This Is NASA My Big Bull Shit 123 Foo'.
      */
     public function readableCaption(string $s): string
     {
@@ -21,6 +20,9 @@ public function readableCaption(string $s): string
         $s = array_map('trim', preg_split('~(?:^|[A-Z\d])[^A-Z\d]+\K~', $s, -1, \PREG_SPLIT_NO_EMPTY));
         $s = implode(' ', $s);
 
+        // replace "Id" with "ID"
+        $s = preg_replace('~(?<=^| )Id~', 'ID', $s);
+
         return $s;
     }
 }
diff --git a/tests/ReadableCaptionTraitTest.php b/tests/ReadableCaptionTraitTest.php
index 68e193a9..794f359b 100644
--- a/tests/ReadableCaptionTraitTest.php
+++ b/tests/ReadableCaptionTraitTest.php
@@ -18,7 +18,10 @@ public function testReadableCaption(): void
 
         $this->assertSame('User Defined Entity', $a->readableCaption('userDefinedEntity'));
         $this->assertSame('New NASA Module', $a->readableCaption('newNASA_module'));
-        $this->assertSame('This Is NASA My Big Bull Shit 123 Foo', $a->readableCaption('this\\ _isNASA_MyBigBull shit_123\Foo'));
+        $this->assertSame('This Is NASA My Big Bull Shit 123 Foo', $a->readableCaption('this\ _isNASA_MyBigBull shit_123\Foo'));
+
+        $this->assertSame('ID', $a->readableCaption('id'));
+        $this->assertSame('Account ID', $a->readableCaption('account_id'));
     }
 }