fix: Typo

Author: bprusinowski

app/docs/catalog/chart-preview-via-api.mdx

@@ -53,9 +53,9 @@ function.
 />
 ```
 
-**Note:** Manually changing `chartType` can lead to unexpected behaviour and potentially
-necessitates further adjustments. For example a change from `chartType=bar` to `chartType=column`
-needs a swap in `x` and `y` fields.
+**Note:** Manually changing `chartType` can lead to unexpected behavior and
+potentially necessitates further adjustments. For example a change from
+`chartType=bar` to `chartType=column` needs a swap in `x` and `y` fields.
 
 ## iframe preview via API
 
@@ -149,7 +149,7 @@ JSON Schema examples can be opened e.g. in Visual Studio Code, where you will
 have an autocomplete feature to help you fill in the configuration.
 
 Note that the types are very complex and it's encouraged to visit the Visualize
-application with `&flag\_\_debug=true` added to the end of the URL to enable the
+application with `&flag__debug=true` added to the end of the URL to enable the
 debug mode. You will then see the configurator state directly below the chart
 that is being edited. It also enables the `Dump to console` button, which will
 log the state to the browser console, for easier re-use.