docs: update supported file extensions

Signed-off-by: Bruno Schaatsbergen <git@bschaatsbergen.com>

website/docs/language/modules/sources.mdx

@@ -381,9 +381,9 @@ module "vpc" {
 The extensions that Terraform recognizes for this special behavior are:
 
 - `zip`
-- `tar.bz2` and `tbz2`
-- `tar.gz` and `tgz`
-- `tar.xz` and `txz`
+- `bz2`, `tar.bz2`, `tar.tbz2` and `tbz2`
+- `gz`, `tar.gz` and `tgz`
+- `xz`, `tar.xz` and `txz`
 
 If your URL _doesn't_ have one of these extensions but refers to an archive
 anyway, use the `archive` argument to force this interpretation: