diff --git a/README.md b/README.md
index aba44b8..54c68df 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ support the query directly. See the "[Queries](#queries)" section for more info.
 * provides a simple plugin api to allow more weather services to be added
 * failover configuration
 * multiple services configuration to provide average values
+* DOES NOT RETURN HISTORICAL DATA
 
 ## Usage