diff --git a/content/rules.md b/content/rules.md
index 33abb84..d66da76 100644
--- a/content/rules.md
+++ b/content/rules.md
@@ -12,6 +12,7 @@ General guidelines and rules for boba.best.
 - Use common sense
 - Don't break the law (this server is hosted in Germany, but I live in the US)
 - No piracy
+- No spam, advertising, or other junk that no one wants
 - Sensitive content must be marked (the "Subject" field of a status is
   considered a Content Warning)
   - NSFW