diff --git a/ldm/invoke/globals.py b/ldm/invoke/globals.py
index c995c42028..9db54fe62d 100644
--- a/ldm/invoke/globals.py
+++ b/ldm/invoke/globals.py
@@ -72,7 +72,13 @@ def global_cache_dir(subdir:Union[str,Path]='')->Path:
     for huggingface-style conventions:
          global_cache_dir('diffusers')
          global_cache_dir('hub')
-         global_cache_dir('transformers')  # not used?
+    Current HuggingFace documentation (mid-Jan 2023) indicates that
+    transformers models will be cached into a "transformers" subdirectory,
+    but in practice they seem to go into "hub". But if needed:
+         global_cache_dir('transformers')
+    One other caveat is that HuggingFace is moving some diffusers models
+    into the "hub" subdirectory as well, so this will need to be revisited
+    from time to time.
     '''
     home: str = os.getenv('HF_HOME')