fix spell

src/main.rs

@@ -43,7 +43,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             _ => break,
         }
     }
-    println!("【QR test for: {}】", &input_string);
+    println!("【QR text for: {}】", &input_string);
     for _ in 0..ln_len+4 {
         output_stirng.push_str(W);
     }