diff --git a/app/Mail/InvalidQualityMail.php b/app/Mail/InvalidQualityMail.php
index 2c440ab..947ff06 100644
--- a/app/Mail/InvalidQualityMail.php
+++ b/app/Mail/InvalidQualityMail.php
@@ -46,20 +46,20 @@ class InvalidQualityMail extends Mailable
         // dynamic subject based on mail type
         switch ($this->mailType) {
             case 'InvalidPartNumber2':
-                $this->subjectLine = "Invalid Part Number 2 Scanned ({$this->mplantName})";
+                $this->subjectLine = "Quality Part Validation ({$this->mplantName})";
                 break;
             case 'InvalidPartNumber3':
-                $this->subjectLine = "Invalid Part Number 3 Scanned ({$this->mplantName})";
+                $this->subjectLine = "Quality Part Validation ({$this->mplantName})";
                 break;
             case 'InvalidPartNumber4':
-                $this->subjectLine = "Invalid Part Number 4 Scanned ({$this->mplantName})";
+                $this->subjectLine = "Quality Part Validation ({$this->mplantName})";
                 break;
             case 'InvalidPartNumber5':
-                $this->subjectLine = "Invalid Part Number 5 Scanned ({$this->mplantName})";
+                $this->subjectLine = "Quality Part Validation ({$this->mplantName})";
                 break;
             case 'InvalidPartNumber':
             default:
-                $this->subjectLine = "Invalid Part Number 1 Scanned ({$this->mplantName})";
+                $this->subjectLine = "Quality Part Validation ({$this->mplantName})";
                 break;
         }