Update README.md

README.md

@@ -38,9 +38,7 @@ Beta versions of models are mostly used by me for self-training but I decided to
 
 ## Trigger words
 
-You should use `knva` to trigger the image generation.
-You should use `halftone effect` to trigger the image generation.
-You should use `retro artstyle` to trigger the image generation.
+You should use `knva, halftone effect, retro artstyle` to trigger the image generation.
 
 ## Source