diff --git a/microBioRust/README.md b/microBioRust/README.md
index 17d050d..306d73e 100644
--- a/microBioRust/README.md
+++ b/microBioRust/README.md
@@ -25,6 +25,7 @@ pub fn genbank_to_faa(filename: &str) -> Result<(), anyhow::Error> {
     }
     return Ok(());
 }
+```
 
 better for debugging