Merge pull request #31310 from ianmrose-cm/main

Add shell explanation to remote-exec `inline` argument documentation.

website/docs/language/resources/provisioners/remote-exec.mdx

@@ -48,8 +48,9 @@ resource "aws_instance" "web" {
 
 The following arguments are supported:
 
-* `inline` - This is a list of command strings. They are executed in the order
-  they are provided. This cannot be provided with `script` or `scripts`.
+* `inline` - This is a list of command strings. The provisioner uses a default
+  shell unless you specify a shell as the first command (eg., `#!/bin/bash`). 
+  You cannot provide this with `script` or `scripts`.
 
 * `script` - This is a path (relative or absolute) to a local script that will
   be copied to the remote resource and then executed. This cannot be provided