add missing content

cscheid · cscheid · commit ef9b5099805f · 2025-07-03T09:24:22.000-04:00
diff --git a/docs/advanced/html/_external-sources-section.md b/docs/advanced/html/_external-sources-section.md
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+## External servers
+
+Quarto is designed to minimize external dependencies.
+However, on occasion, Quarto documents might need resources hosted in external servers.
+See our page on [External Sources](/docs/advanced/html/external-sources.qmd) for a full list.
