correct docstrs

Author: tsmathis

mp_api/client/core/client.py

@@ -119,7 +119,7 @@ def __init__(
             headers: Custom headers for localhost connections.
             mute_progress_bars: Whether to disable progress bars.
             local_dataset_cache: Target directory for downloading full datasets. Defaults
-                to 'materialsproject_datasets' in the user's home directory
+                to 'mp_datasets' in the user's home directory
             force_renew: Option to overwrite existing local dataset
         """
         # TODO: think about how to migrate from PMG_MAPI_KEY

mp_api/client/mprester.py

@@ -170,7 +170,7 @@ def __init__(
             headers: Custom headers for localhost connections.
             mute_progress_bars:  Whether to mute progress bars.
             local_dataset_cache: Target directory for downloading full datasets. Defaults
-                to "materialsproject_datasets" in the user's home directory
+                to "mp_datasets" in the user's home directory
             force_renew: Option to overwrite existing local dataset
 
         """