Fix validation for filebrowser agent_name condition

filebrowser/main.tf

@@ -23,7 +23,7 @@ variable "agent_name" {
   description = "The name of the main deployment. (Used to build the subpath for coder_app.)"
   default     = ""
   validation {
-    # If subdomain is true, then agent_name must be set.
+    # If subdomain is false, then agent_name must be set.
     condition     = var.subdomain || var.agent_name != ""
     error_message = "The agent_name must be set."
   }