diff --git a/src/java/org/bitcoin/NativeSecp256k1Test.java b/src/java/org/bitcoin/NativeSecp256k1Test.java
index c00d088..d766a10 100644
--- a/src/java/org/bitcoin/NativeSecp256k1Test.java
+++ b/src/java/org/bitcoin/NativeSecp256k1Test.java
@@ -52,7 +52,7 @@ public class NativeSecp256k1Test {
     }
 
     /**
-      * This tests secret key verify() for a invalid secretkey
+      * This tests secret key verify() for an invalid secretkey
       */
     public static void testSecKeyVerifyNeg() throws AssertFailException{
         boolean result = false;