diff --git a/README.md b/README.md
index 47eaeda..8dd7edd 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Based on original FaceSwap repo. **Facesets** of FaceSwap or FakeApp are **not c
 
 - face data embedded to png files
 
-- automatic GPU manager, chooses best gpu(s) and supports --multi-gpu (only for identical cards)
+- automatic GPU manager, chooses best gpu(s) and supports --multi-gpu (only for identical cards). Warning: dont use cards in SLI mode.
 
 - new preview window