Fix typo (hashicorp#6281)

Author: joelhandwell

website/source/docs/providers/aws/r/iam_server_certificate.html.markdown

@@ -91,7 +91,7 @@ resource "aws_elb" "ourapp" {
 The following arguments are supported:
 
 * `name` - (Optional) The name of the Server Certificate. Do not include the 
-  path in this value.If omitted, Terraform will assign a random, unique name.
+  path in this value. If omitted, Terraform will assign a random, unique name.
 * `name_prefix` - (Optional) Creates a unique name beginning with the specified
   prefix. Conflicts with `name`.
 * `certificate_body` – (Required) The contents of the public key certificate in