diff --git a/README.md b/README.md
index 42f76397..3ab4dda4 100644
--- a/README.md
+++ b/README.md
@@ -543,6 +543,7 @@ See https://staticsitegenerators.net and https://www.staticgen.com
  * Non-[Free](https://en.wikipedia.org/wiki/Free_software) software must be marked `⊘ Proprietary` next to the title, and added to [non-free.md](non-free.md)
  * Software with no development activity for 6-12 months may be removed from the list.
  * The syntax for links is ``[Name](http://homepage/) - Short description ([Demo](http://url.to/demo), [Source code](http://url.of/source/code)) `License` `Language` ``
+ * Please limit the short description of the project to **250 characters**.
  * The list of contributors can be updated with `git shortlog -sne`
 
 ## License