Improve contributing

2018-01-18 15:24:05 +01:00 · 2018-01-18 15:24:05 +01:00 · d27d7f8b1e
parent 3664125d2c
commit d27d7f8b1e
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--- a/contributing.md
+++ b/contributing.md
@ -6,6 +6,7 @@ Ensure your pull request adheres to the following guidelines:
 - If the book is free, link to the free book and add 📖 emoji.
 - If the book is not free, link to the book on [goodreads.com](https://www.goodreads.com/) and add 📕 emoji.
 - The book should be put into its appropriate category. Pick the one you think is closest if you are not sure.
+- Only add books you really think are actually interesting.
 - If you want to add a link to notes for the book, add it below the book as subdashed point.
 - Start the description with a capital and end with a full stop.
 - Don't start the description with `A` or `An`.