diff --git a/tests/test-attachments.md b/tests/test-attachments.md
index 75a2285f8c..28fbbb81fc 100644
--- a/tests/test-attachments.md
+++ b/tests/test-attachments.md
@@ -48,7 +48,7 @@ Expected: Generic attachment thumbnail & preview window
 
 **PDF Files**  
 `Documents/PDF.pdf`  
-Expected: Generic PDF thumbnail & preview window.  
+Expected: Generic PDF thumbnail. File previewer shows first 5 pages of the PDF.   
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