diff --git a/samples/doris-demo/remote-udaf-python-demo/README.md b/samples/doris-demo/remote-udaf-python-demo/README.md
index 8f59b03ba6..98341984ff 100644
--- a/samples/doris-demo/remote-udaf-python-demo/README.md
+++ b/samples/doris-demo/remote-udaf-python-demo/README.md
@@ -17,7 +17,7 @@ specific language governing permissions and limitations
 under the License.
 -->
 
-# Remote UDF Function Service In Python Demo
+# Remote UDAF Function Service In Python Demo
 
 ## Compile 
 1. `pip install grpcio-tools`