diff --git a/src/uu/factor/src/factor.rs b/src/uu/factor/src/factor.rs
index 3f8cc93fb02..a06b42896eb 100644
--- a/src/uu/factor/src/factor.rs
+++ b/src/uu/factor/src/factor.rs
@@ -154,7 +154,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     let print_exponents = matches.get_flag(options::EXPONENTS);
 
     let stdout = stdout();
-    // We use a smaller buffer here to pass a gnu test. 4KiB appears to be the default pipe size for bash.
+    // use a smaller buffer here to pass a GNU test.
     let mut w = io::BufWriter::with_capacity(4 * 1024, stdout.lock());
 
     if let Some(values) = matches.get_many::<String>(options::NUMBER) {