README: Add note that certain citation styles will give bad results

tarleb · tarleb · commit edba85637fba · 2024-05-05T12:41:34.000+02:00
diff --git a/README.md b/README.md
@@ -39,6 +39,10 @@ Each refs-*x* div should have a matching entry *x* in the
 metadata. These divs are filled with citations from the respective
 bib-file.
 
+> [!IMPORTANT]
+> This filter works best with citation styles that use non-numeric
+> citation labels.
+
 
 Usage
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