diff --git a/src/main/resources/messages_en_GB.properties b/src/main/resources/messages_en_GB.properties
index fc96ba62..c971092d 100644
--- a/src/main/resources/messages_en_GB.properties
+++ b/src/main/resources/messages_en_GB.properties
@@ -117,6 +117,9 @@ home.flatten.desc=Remove all interactive elements and forms from a PDF
 home.repair.title=Repair
 home.repair.desc=Tries to repair a corrupt/broken PDF
 
+sign.title=Sign
+sign.header=Sign PDFs
+
 ScannerImageSplit.selectText.1=Angle Threshold:
 ScannerImageSplit.selectText.2=Sets the minimum absolute angle required for the image to be rotated (default: 10).
 ScannerImageSplit.selectText.3=Tolerance: