diff --git a/MC6809/README.md b/MC6809/README.md
index c9fa26b..521aacd 100644
--- a/MC6809/README.md
+++ b/MC6809/README.md
@@ -5,7 +5,7 @@ This subfolder contains the documents and other stuff for 6809/6309 CPU family.
 
 | Files | Description | Source |
 | ----- | ----------- | ------ |
-| 6809_Programming_Manual.pdf.pdf | MC6809-MC6809E 8-Bit Microprocessor Programming Manual (01-Mar-1981) | |
+| 6809_Programming_Manual.pdf | MC6809-MC6809E 8-Bit Microprocessor Programming Manual (01-Mar-1981) | |
 | Lomont_6809_4.pdf | 6809/6309 Assembly and Mnemonic Information v1.2 (May 2007) | http://www.lomont.org/software/misc/coco/Lomont_6809_4.pdf |
 | Motorola MC6809 Datasheet.pdf | Motorola MC6809 Datasheet | |
 | Motorola MC6809E Datasheet.pdf | Motorola MC6809E Datasheet | http://www.bitsavers.org/components/motorola/_dataSheets/6809E.pdf |