Fix typo (to trigger builds)

src/url.rs

@@ -9,7 +9,7 @@ use crate::scanner::Scanner;
 /// The shortest valid URL (without a scheme) might be g.cn (Google China),
 /// which consists of four characters.
 /// We set this as a lower threshold for parsing URLs from plaintext
-/// to avoid false-positives and as a slight performance optimization.
+/// to avoid false positives and as a slight performance optimization.
 /// This threshold might be adjusted in the future.
 const MIN_URL_LENGTH: usize = 4;