diff --git a/Wiki/SyntaxMeaningsThatAreActuallyHumanReadable.md b/Wiki/SyntaxMeaningsThatAreActuallyHumanReadable.md
index 63afbe84a..190c018d4 100644
--- a/Wiki/SyntaxMeaningsThatAreActuallyHumanReadable.md
+++ b/Wiki/SyntaxMeaningsThatAreActuallyHumanReadable.md
@@ -125,5 +125,6 @@
 * It is claimed in [this comment](https://github.com/DandelionSprout/adfilt/issues/7#issuecomment-481978609) that Safari does not properly accept the use of `$third-party`.
 * Amazingly, using `! Redirect: ` in the intended target link's list, will cause an infinite loop that prevents the list from being loaded.
 * In Opera, the F12 filetree is not actually opened with F12 by default, but instead with Ctrl+Shift+I (Capital İ).
+* No entries can use both `||` and `##` at the same time.
 
 ¹ = Includes Nano Adblocker, uBlock Origin ≥1.20.0, AdGuard, AdNauseum, Adblock Plus version ≥3.5, and AdBlock. It does **not** include AdGuard Home, Brave Browser, Slimjet, uBlock non-Origin, Tracking Protection List, or Blokada, whose syntax supports are considerably inferior to the above list.