diff --git a/doc/YubiKey_PIV_introduction.adoc b/doc/YubiKey_PIV_introduction.adoc
index ca0553b..e1c8073 100644
--- a/doc/YubiKey_PIV_introduction.adoc
+++ b/doc/YubiKey_PIV_introduction.adoc
@@ -33,7 +33,7 @@ Preparing a for real use
 ------------------------
 
 You would typically change the management key to make sure nobody but
-you can modify the state of the PIV application on the.  Make sure to
+you can modify the state of the PIV application on the YubiKey.  Make sure to
 keep a copy of the key around for later use.
 
   key=`dd if=/dev/random bs=1 count=24 2>/dev/null | hexdump -v -e '/1 "%02X"'`