diff --git a/google/cloud/aiplatform/metadata/experiment_run_resource.py b/google/cloud/aiplatform/metadata/experiment_run_resource.py
index 055bd8d981..39ef0eaa9d 100644
--- a/google/cloud/aiplatform/metadata/experiment_run_resource.py
+++ b/google/cloud/aiplatform/metadata/experiment_run_resource.py
@@ -939,7 +939,7 @@ def log_params(self, params: Dict[str, Union[float, int, str]]):
                 Required. Parameter key/value pairs.
 
         Raises:
-            ValueError: If key is not str or value is not float, int, str.
+            TypeError: If key is not str or value is not float, int, str.
         """
         # query the latest run execution resource before logging.
         for key, value in params.items():
@@ -968,7 +968,7 @@ def log_metrics(self, metrics: Dict[str, Union[float, int, str]]):
         ```
 
         Args:
-            metrics (Dict[str, Union[float, int]]):
+            metrics (Dict[str, Union[float, int, str]]):
                 Required. Metrics key/value pairs.
         Raises:
             TypeError: If keys are not str or values are not float, int, or str.