Readme formatting because gitea insists on changing text to emojis

README.md

@@ -13,7 +13,8 @@ Enable at least the following scopes:
 * devices:callerid:read
 * devices:callerid:write
 * history:read
-* sessions:fax:write
+* sessions\:fax:write
+
 Enter the token-ID as `SIPUSER` or `TOKENID` and the token as `SIPPWD` or `TOKEN`.
 
 If you use Letterheads Address database, uncomment the last line of that file and add `your/path/to/Letterhead`