fix incorrect HCL syntax for example

website/docs/language/data-sources/index.mdx

@@ -134,7 +134,7 @@ data "aws_ami" "example" {
     # The AMI ID must refer to an existing AMI that has the tag "nomad-server".
     postcondition {
       condition     = self.tags["Component"] == "nomad-server"
-      error_message = error_message = "tags[\"Component\"] must be \"nomad-server\"."
+      error_message = "tags[\"Component\"] must be \"nomad-server\"."
     }
   }
 }

website/docs/language/expressions/custom-conditions.mdx

@@ -81,7 +81,7 @@ data "aws_ami" "example" {
     # The AMI ID must refer to an existing AMI that has the tag "nomad-server".
     postcondition {
       condition     = self.tags["Component"] == "nomad-server"
-      error_message = "The selected AMI must be tagged with the Component value \"nomad-server\"."
+      error_message = "tags[\"Component\"] must be \"nomad-server\"."
     }
   }
 }