diff --git a/website/source/docs/configuration/interpolation.html.md b/website/source/docs/configuration/interpolation.html.md index 15f39ddf1..e51830a8d 100644 --- a/website/source/docs/configuration/interpolation.html.md +++ b/website/source/docs/configuration/interpolation.html.md @@ -16,6 +16,9 @@ into strings. These interpolations are wrapped in `${}`, such as The interpolation syntax is powerful and allows you to reference variables, attributes of resources, call functions, etc. +You can also perform simple math in interpolations, allowing +you to write expressions such as `${count.index+1}`. + ## Available Variables **To reference user variables**, use the `var.` prefix followed by the