diff --git a/documents/blockchain/v10/documents/transaction.rs b/documents/blockchain/v10/documents/transaction.rs
index 421d018f912bd9a089c78813fe31a4be8b58fe41..4ca3f23db0aed7e57336f305bd931fcdea50506b 100644
--- a/documents/blockchain/v10/documents/transaction.rs
+++ b/documents/blockchain/v10/documents/transaction.rs
@@ -361,7 +361,7 @@ impl ToString for TransactionOutput {
 }
 
 impl TransactionOutput {
-    /// Parse Transaction Ouput from string.
+    /// Parse Transaction Output from string.
     pub fn parse_from_str(source: &str) -> Result<TransactionOutput, V10DocumentParsingError> {
         if let Some(caps) = OUTPUT_REGEX.captures(source) {
             let amount = caps["amount"].parse().expect("fail to parse output amount");