README.md in sixword-0.3.3 vs README.md in sixword-0.3.4

@@ -77,10 +77,10 @@
     BEAK NET SITE ROTH SWIM FORM
 
     $ sixword -dH <<< 'BEAK NET SITE ROTH SWIM FORM'
     54657374696e670a
 
-    $ sixword -dF <<< 'BEAK NET SITE ROTH SWIM FORM'
+    $ sixword -df <<< 'BEAK NET SITE ROTH SWIM FORM'
     5465 7374 696E 670A
 
     $ sixword -d -S colons <<< 'BEAK NET SITE ROTH SWIM FORM'
     54:65:73:74:69:6e:67:0a