diff --git a/doc/prettybat.md b/doc/prettybat.md
index 82aaa65..ed273a0 100644
--- a/doc/prettybat.md
+++ b/doc/prettybat.md
@@ -42,11 +42,10 @@ See `man bat` for more information.
 
 ## Caveats
 
-- The header displayed by bat will show `STDIN` instead of the filename.
+- The header displayed by bat will show `STDIN` instead of the filename (`bat 0.13` or older).
 - The git changes sidebar will not work with files that have been formatted.
 
 
-
 ## Installation
 
 This script is a part of the `bat-extras` suite of scripts. You can find install instructions [here](../README.md#installation).