diff --git a/docs/named_maps.md b/docs/named_maps.md index 64fd45fe..fdb77df4 100644 --- a/docs/named_maps.md +++ b/docs/named_maps.md @@ -124,7 +124,7 @@ view (optional) | extra keys to specify the view area for the map. It can be use ### Placeholder Format -Placeholders are variables that can be placed in your template.json file. Placeholders need to be defined with a `type` and a default value for MapConfigs. See details about defining a MapConfig `type` for [Layergoup configurations](http://docs.carto.com/carto-engine/maps-api/mapconfig/#layergroup-configurations). +Placeholders are variables that can be placed in your template.json file. Placeholders need to be defined with a `type` and a default value for MapConfigs. See details about defining a MapConfig `type` for [Layergroup configurations](http://docs.carto.com/carto-engine/maps-api/mapconfig/#layergroup-configurations). Valid placeholder names start with a letter and can only contain letters, numbers, or underscores. They have to be written between the `<%=` and `%>` strings in order to be replaced inside the Named Maps API.