diff --git a/doc/disk-fb100.md b/doc/disk-fb100.md
index 7f99a32e..bc50d671 100644
--- a/doc/disk-fb100.md
+++ b/doc/disk-fb100.md
@@ -9,7 +9,7 @@ logo: the most common variant appears to be the Tandy Portable Disk Drive or
 TPDD:
 
 <div style="text-align: center">
-<a href="http://www.old-computers.com/museum/computer.asp?c=233&st=1"> <img src="tdpp.jpg" alt="A Tandy Portable Disk Drive"/></a>
+<a href="http://www.old-computers.com/museum/computer.asp?c=233&st=1"> <img src="tpdd.jpg" alt="A Tandy Portable Disk Drive"/></a>
 </div>
 
 It's a bit of an oddball: the disk encoding is FM with a very custom record
diff --git a/doc/tpdd.jpg b/doc/tpdd.jpg
new file mode 100644
index 00000000..289be1b1
Binary files /dev/null and b/doc/tpdd.jpg differ