Merge pull request #2150 from hashicorp/d-module-ssh-source-example

docs: clarify ssh git module source syntax

website/source/docs/modules/sources.html.markdown

@@ -124,9 +124,15 @@ to Terraform (using the forced source type syntax documented below) to use
 Git:
 
 ```
+// force https source
 module "consul" {
 	source = "git::https://hashicorp.com/module.git"
 }
+
+// force ssh source
+module "ami" {
+	source = "git::ssh://git@github.com/owner/repo.git"
+}
 ```
 
 URLs for Git repositories (of any protocol) support the following query