Update docs/extensions/lua-api.qmd

Co-authored-by: Charlotte Wickham <[email protected]>

Author: cscheid

docs/extensions/lua-api.qmd

@@ -322,7 +322,7 @@ Quarto projects can define variables in `_variables.yml` files. These variables
 
 | Function | Description |
 |---------------------|---------------------------------------------------|
-| `quarto.variables.get(name)` | Return the value of a variable from `_variables.yml` as a string, or `nil` if the variable is not defined. This is the Lua equivalent of the `{{< var name >}}` shortcode. |
+| `quarto.variables.get(name)` | Return the value of a variable from `_variables.yml` as a string, or `nil` if the variable is not defined. This is the Lua equivalent of the `{{{< var name >}}}` shortcode. |
 
 For example, if your `_variables.yml` contains: