diff --git a/elasticsearch/connection/thrift.py b/elasticsearch/connection/thrift.py
index ca07d419..172868c8 100644
--- a/elasticsearch/connection/thrift.py
+++ b/elasticsearch/connection/thrift.py
@@ -22,6 +22,8 @@ logger = logging.getLogger('elasticsearch')
 
 class ThriftConnection(PoolingConnection):
     """
+    This connection class is deprecated and may be removed in future versions.
+
     Connection using the `thrift` protocol to communicate with elasticsearch.
 
     See https://github.com/elasticsearch/elasticsearch-transport-thrift for additional info.