diff --git a/sdk/cosmos/azure-cosmos/azure/cosmos/http_constants.py b/sdk/cosmos/azure-cosmos/azure/cosmos/http_constants.py
index a60ef0a48e5b..bf55fc5d735c 100644
--- a/sdk/cosmos/azure-cosmos/azure/cosmos/http_constants.py
+++ b/sdk/cosmos/azure-cosmos/azure/cosmos/http_constants.py
@@ -221,7 +221,7 @@ class HttpHeaders:
 
     # Change feed
     AIM = "A-IM"
-    IncrementalFeedHeaderValue = "Incremental feed"
+    IncrementalFeedHeaderValue = "Incremental Feed"
     FullFidelityFeedHeaderValue = "Full-Fidelity Feed"
     ChangeFeedWireFormatVersion = "x-ms-cosmos-changefeed-wire-format-version"