Use 'route_table_id' instead of 'rtb_id'

builtin/providers/aws/data_source_aws_route_table.go

@@ -18,7 +18,7 @@ func dataSourceAwsRouteTable() *schema.Resource {
 				Optional: true,
 				Computed: true,
 			},
-			"rtb_id": {
+			"route_table_id": {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
@@ -103,7 +103,7 @@ func dataSourceAwsRouteTableRead(d *schema.ResourceData, meta interface{}) error
 	req := &ec2.DescribeRouteTablesInput{}
 	vpcId, vpcIdOk := d.GetOk("vpc_id")
 	subnetId, subnetIdOk := d.GetOk("subnet_id")
-	rtbId, rtbOk := d.GetOk("rtb_id")
+	rtbId, rtbOk := d.GetOk("route_table_id")
 	tags, tagsOk := d.GetOk("tags")
 	filter, filterOk := d.GetOk("filter")
 

builtin/providers/aws/data_source_aws_route_table_test.go

@@ -173,7 +173,7 @@ data "aws_route_table" "by_subnet" {
 }
 
 data "aws_route_table" "by_id" {
-  rtb_id = "${aws_route_table.test.id}"
+  route_table_id = "${aws_route_table.test.id}"
   depends_on = ["aws_route_table_association.a"]
 }
 `

website/source/docs/providers/aws/d/route_table.html.markdown

@@ -42,7 +42,7 @@ Route Table whose data will be exported as attributes.
 
 * `filter` - (Optional) Custom filter block as described below.
 
-* `rtb_id` - (Optional) The id of the specific Route Table to retrieve.
+* `route_table_id` - (Optional) The id of the specific Route Table to retrieve.
 
 * `tags` - (Optional) A mapping of tags, each pair of which must exactly match
   a pair on the desired Route Table.