diff --git a/doc/command_ref.rst b/doc/command_ref.rst
index 04a24fc..8387901 100644
--- a/doc/command_ref.rst
+++ b/doc/command_ref.rst
@@ -1749,8 +1749,10 @@ The following patterns are supported:
     those two characters, inclusive, is matched. If the first character
     following the ``[`` is a ``!`` or a ``^`` then any character not enclosed
     is matched.
-``{}``
-    Matches any of the comma separated list of enclosed strings.
+
+Note: Curly brackets (``{}``) are not supported. You can still use them in
+shells that support them and let the shell do the expansion, but if quoted or
+escaped, dnf will not expand them.
 
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 NEVRA Matching