Updated documentation

docs/API.md

@@ -329,6 +329,7 @@ constantly monitor our GPU cluster capacity and perform scaling as needed.
 ## Known Issues and Limitations
 
 As any generative model, our models are not perfect (though we constantly work on improvements):
+- Currently, we do not fully support flat lay clothing images. Some might work, but that's not guaranteed.
 - Prompt following might not be perfect, especially in case of long and sophisticated prompts. Prefer simpler and more
   straightforward prompts whenever possible. Also be pretty verbose (e.g. use the word "plain" if you need something of
   solid color). Additionally, Compel weighting might be used to increase weight of certain tokens.