diff --git a/builtin/providers/aws/resource_aws_elasticache_replication_group.go b/builtin/providers/aws/resource_aws_elasticache_replication_group.go
index 588d0c6ab..317d37d9e 100644
--- a/builtin/providers/aws/resource_aws_elasticache_replication_group.go
+++ b/builtin/providers/aws/resource_aws_elasticache_replication_group.go
@@ -42,6 +42,11 @@ func resourceAwsElasticacheReplicationGroup() *schema.Resource {
 		ForceNew: true,
 	}
 
+	resourceSchema["primary_endpoint_address"] = &schema.Schema{
+		Type:     schema.TypeString,
+		Computed: true,
+	}
+
 	resourceSchema["engine"].Required = false
 	resourceSchema["engine"].Optional = true
 	resourceSchema["engine"].Default = "redis"
@@ -215,6 +220,8 @@ func resourceAwsElasticacheReplicationGroupRead(d *schema.ResourceData, meta int
 		d.Set("snapshot_window", c.SnapshotWindow)
 		d.Set("snapshot_retention_limit", c.SnapshotRetentionLimit)
 
+		d.Set("primary_endpoint_address", rgp.NodeGroups[0].PrimaryEndpoint.Address)
+
 	}
 
 	return nil
diff --git a/website/source/docs/providers/aws/r/elasticache_replication_group.html.markdown b/website/source/docs/providers/aws/r/elasticache_replication_group.html.markdown
index 89d147201..e986d89a5 100644
--- a/website/source/docs/providers/aws/r/elasticache_replication_group.html.markdown
+++ b/website/source/docs/providers/aws/r/elasticache_replication_group.html.markdown
@@ -31,7 +31,7 @@ resource "aws_elasticache_replication_group" "bar" {
 
 The following arguments are supported:
 
-* `replication_group_id` – (Required) The replication group identifier. This parameter is stored as a lowercase string.
+* `replication_group_id` – (Required) The replication group identifier.
 * `replication_group_description` – (Required) A user-created description for the replication group.
 * `number_cache_clusters` - (Required) The number of cache clusters this replication group will have.
  If Multi-AZ is enabled , the value of this parameter must be at least 2. Changing this number will force a new resource
@@ -66,4 +66,5 @@ Please note that setting a `snapshot_retention_limit` is not supported on cache.
 
 The following attributes are exported:
 
-* `id` - The ID of the ElastiCache Replication Group
\ No newline at end of file
+* `id` - The ID of the ElastiCache Replication Group
+* `primary_endpoint_address` - The Address of the Primary Node in the replication group. Doesn't include the port.
\ No newline at end of file