diff --git a/code/token/wrapped-sol/add-balance-by-sol.en.ts b/code/token/wrapped-sol/add-balance-by-sol.en.ts
index adb5bf98e..2808c7396 100644
--- a/code/token/wrapped-sol/add-balance-by-sol.en.ts
+++ b/code/token/wrapped-sol/add-balance-by-sol.en.ts
@@ -40,7 +40,7 @@ import * as bs58 from "bs58";
   let amount = 1 * 1e9; /* Wrapped SOL's decimals is 9 */
 
   let tx = new Transaction().add(
-    // trasnfer SOL
+    // transfer SOL
     SystemProgram.transfer({
       fromPubkey: alice.publicKey,
       toPubkey: ata,