diff --git a/tests/system/small/test_dataframe.py b/tests/system/small/test_dataframe.py
index 1a942a023e..b283752ebe 100644
--- a/tests/system/small/test_dataframe.py
+++ b/tests/system/small/test_dataframe.py
@@ -6028,7 +6028,7 @@ def test_df_astype_python_types(scalars_dfs):
 def test_astype_invalid_type_fail(scalars_dfs):
     bf_df, _ = scalars_dfs
 
-    with pytest.raises(TypeError, match=r".*Share your usecase with.*"):
+    with pytest.raises(TypeError, match=r".*Share your use case with.*"):
         bf_df.astype(123)
 
 
diff --git a/third_party/bigframes_vendored/constants.py b/third_party/bigframes_vendored/constants.py
index 6d55817a27..9705b19c90 100644
--- a/third_party/bigframes_vendored/constants.py
+++ b/third_party/bigframes_vendored/constants.py
@@ -23,7 +23,7 @@
 import bigframes_vendored.version
 
 FEEDBACK_LINK = (
-    "Share your usecase with the BigQuery DataFrames team at the "
+    "Share your use case with the BigQuery DataFrames team at the "
     "https://bit.ly/bigframes-feedback survey. "
     f"You are currently running BigFrames version {bigframes_vendored.version.__version__}."
 )