Add comment about Mandoc, closes #1145

Author: sharkdp

README.md

@@ -160,6 +160,8 @@ If you prefer to have this bundled in a new command, you can also use [`batman`]
 
 Note that the [Manpage syntax](assets/syntaxes/02_Extra/Manpage.sublime-syntax) is developed in this repository and still needs some work.
 
+Also, note that this will [not work](https://github.com/sharkdp/bat/issues/1145) with Mandocs `man` implementation.
+
 #### `prettier` / `shfmt` / `rustfmt`
 
 The [`prettybat`](https://github.com/eth-p/bat-extras/blob/master/doc/prettybat.md) script is a wrapper that will format code and print it with `bat`.