diff --git a/Static-filter-syntax.md b/Static-filter-syntax.md
index a507f3d..d6ef0e4 100644
--- a/Static-filter-syntax.md
+++ b/Static-filter-syntax.md
@@ -149,10 +149,12 @@ The filter syntax for `redirect=` filter option is a subset of ABP-compatible fi
     ||example.com/path/to/image$image,redirect=2x2-transparent.png,domain=github.com
     ||example.com/$script,redirect=noopjs,first-party
 
-Specifically, notice that the filter **must** start with `||` or `*`, otherwise no redirection directive will be created, although a blocking filter will be created. Essentially, a redirection filter must always have a destination hostname specified, or `*` if the filter is to apply to all destinations.
+Specifically, notice that the filter **must** start with `||` or `*`, otherwise no redirection directive will be created, although a blocking filter will be created. Essentially, a redirection filter must always have a destination hostname specified, or `*` if the filter is to apply to all destinations<sup>__*__</sup>.
 
 A source hostname should always be specified, so the `domain=` option is strongly recommended. It is allowed to use `first-party` instead of `domain=[...]`, in which case the source hostname will be that of the destination hostname.
 
+<sub>__*__ redirections applied to all destinations (starting with `*`) cannot be narrowed by `first-party` or `~third-party` option [#3590](https://github.com/gorhill/uBlock/issues/3590)</sub>
+
 ## Static extended filtering
 
 Static extended filters are all of the form: