diff --git a/examples/benchmarks_dynamic/DDG-DA/README.md b/examples/benchmarks_dynamic/DDG-DA/README.md
index 26731d3c9..4d49315bd 100644
--- a/examples/benchmarks_dynamic/DDG-DA/README.md
+++ b/examples/benchmarks_dynamic/DDG-DA/README.md
@@ -28,7 +28,7 @@ The default forecasting models are `Linear`. Users can choose other forecasting
 The results of related methods in Qlib's public dataset can be found [here](../)
 
 # Requirements
-Here is the minimal hardware requirements to run the ``workflow.py`` of DDG-DA.
+Here are the minimal hardware requirements to run the ``workflow.py`` of DDG-DA.
 * Memory: 45G
 * Disk: 4G