diff --git a/src/Main.hs b/src/Main.hs
index 4605825..d4716f4 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -880,8 +880,6 @@ renderDonate = do
            \&button-text=04\
            \&successURL=" ] ""
 
--- TODO: all content under CC0 or some other license (which?)
-
 -- TODO: allow archiving items if they are in every way worse than the rest,
 -- or something (but searching should still be possible)
 
diff --git a/static/help.md b/static/help.md
index 0050c59..46eeb48 100644
--- a/static/help.md
+++ b/static/help.md
@@ -14,3 +14,7 @@ Some additional guidelines/observations/etc that probably make sense:
   * if you're unsure about something, still write it (just warn others that you're unsure)
 
   * if you have useful information of any kind that doesn't fit, add it to the category notes
+
+Finally, all content here is licensed under [CC BY-SA 3.0][], which is the same license as on Wikipedia and Stackoverflow.
+
+[CC BY-SA 3.0]: https://creativecommons.org/licenses/by-sa/3.0/