Update README.md

README.md

@@ -14,7 +14,7 @@ license: apache-2.0
 
 The following changes have been made:
 - Fixing generation configuration setting
-- Model now properly uses specified ```attention_mask``` when calling ```scaled_dot_product_attention``` - this also allows to specify custom attention masks and work with left-padded input.
+- Model now properly uses specified ```attention_mask``` when calling ```scaled_dot_product_attention``` - this also allows to specify custom attention masks and work with left-padded input. However, this will disable additional memory and flash optimization.
 
 
 # 🚀 Falcon-40B