Fixed description

Author: antonbabenko

variables.tf

@@ -113,7 +113,7 @@ variable "vpn_gateway_id" {
 }
 
 variable "propagate_private_route_tables_vgw" {
-  description = "Should be true if you want privateroute table propagation"
+  description = "Should be true if you want private route table propagation"
   default     = false
 }