diff --git a/PROMS/Volian.Print.Library/PromsPrinter.cs b/PROMS/Volian.Print.Library/PromsPrinter.cs
index 521aeb51..30775ae2 100644
--- a/PROMS/Volian.Print.Library/PromsPrinter.cs
+++ b/PROMS/Volian.Print.Library/PromsPrinter.cs
@@ -210,7 +210,7 @@ namespace Volian.Print.Library
 			}
 			catch (Exception ex)
 			{
-				MessageBox.Show("Could not create " + outputFileName + ". If it is open, close and retry", "Error on CreatePdf");
+				MessageBox.Show("Could not create " + outputFileName + ". If it is open, close and retry.", "Error on CreatePdf");
 				return null;
 			}
 			document.Open();