wip: clean

src/opt.rs

@@ -53,7 +53,7 @@ pub struct Opt {
     /// Set values for config variables.
     ///
     /// This works like the `tesseract` command's `-c` argument. One
-    /// particularly useful option is `tessedit_char_blacklist=|\/`_~` or
+    /// particularly useful option is 'tessedit_char_blacklist=|\/`_~' or
     /// similar, to prevent the OCR from misidentifying characters as symbols
     /// rarely used in subtitles.
     #[clap(short = 'c', long, value_parser = parse_key_val, number_of_values = 1)]