Document that rules are the be written in ascii

1 files changed, 3 insertions, 0 deletions

diff --git a/doc/source/config.rst b/doc/source/config.rst
index b302e8c..0b8b737 100644
--- a/doc/source/config.rst
+++ b/doc/source/config.rst
@@ -72,6 +72,9 @@ Rules can be split into lines and contain whitespace for easier readability and
 
 The terminating ``;`` is optional for now, but it should be used for future compatibility.
 
+Rules, including comments, needs to be written in ASCII, other encodings aren't
+supported and might cause syntax errors and related issues.
+
 Miscellaneous
 -------------