docs: shuffle intro

README.md

@@ -11,18 +11,18 @@ A [Go] implementation of [distribusi].
 This is a compiled `distribusi` which is simpler to install on your computer,
 just download the binary, `chmod +x` and run it.
 
-The command-line interface is quite different from the Python version. There
-are less optional flags and more defaults. I shuffled a number of things around
-according to my preferences. For example, I always like my images to be
-thumbnail'd. There's a handy web server built-in now, just run with `-s`
-:metal:
-
 There is no need to install [Pillow] for handling images, that is now built-in.
 The only external dependency is [exiftool] for image captions from embedded
 metadata. If you don't have `exiftool` installed, then it gracefully skips that
 feature. So, you don't need to install anything else to run `distribusi` now
 :pray:
 
+If you're migrating from the Python version, be warned, the command-line
+interface is quite different from the Python version. There are less optional
+flags and more defaults. I shuffled a number of things around according to my
+preferences. For example, I always like my images to be thumbnail'd. There's a
+handy web server built-in now, just run with `-s` :metal:
+
 ## Install
 
 ```