Add a disclaimer to the README (jekyll#343)

README.md

@@ -2,6 +2,13 @@
 
 *Minima is a one-size-fits-all Jekyll theme for writers*. It's Jekyll's default (and first) theme. It's what you get when you run `jekyll new`.
 
+***Disclaimer:** The information here may vary depending on the version you're using. Please refer to the `README.md` bundled
+within the theme-gem for information specific to your version or by pointing your browser to the Git tag corresponding to your
+version. e.g. https://github.com/jekyll/minima/blob/v2.5.0/README.md
+
+Running `bundle show minima` will provide you with the local path to your current theme version.*
+
+
 [Theme preview](https://jekyll.github.io/minima/)
 
 ![minima theme preview](/screenshot.png)