No online logos in Typst

Author: cwickham

docs/authoring/brand.qmd

@@ -168,6 +168,14 @@ logo:
 
 You can specify a local file path, relative to the location of `_brand.yml`, or a URL.
 
+::: {.callout-warning}
+
+ ## Limitation
+
+ Logos specified as URLs are not currently supported in `format: typst`.
+
+ ::: 
+
 A single logo may not work well in all locations so **brand.yml** allows you to set three different logos: `small`, `medium` and `large`. For example:
 
 ``` {.yaml filename="_brand.yml"}