diff --git a/core/src/main/java/org/bitcoinj/core/Transaction.java b/core/src/main/java/org/bitcoinj/core/Transaction.java
index c8da073b4..6831182f3 100644
--- a/core/src/main/java/org/bitcoinj/core/Transaction.java
+++ b/core/src/main/java/org/bitcoinj/core/Transaction.java
@@ -1064,7 +1064,7 @@ public class Transaction extends ChildMessage {
      *
      * @param inputIndex Which input to calculate the signature for, as an index.
      * @param key The private key used to calculate the signature.
-     * @param redeemScript Byte-exact contents of the scriptPubKey that is being satisified, or the P2SH redeem script.
+     * @param redeemScript Byte-exact contents of the scriptPubKey that is being satisfied, or the P2SH redeem script.
      * @param hashType Signing mode, see the enum for documentation.
      * @param anyoneCanPay Signing mode, see the SigHash enum for documentation.
      * @return A newly calculated signature object that wraps the r, s and sighash components.
@@ -1083,7 +1083,7 @@ public class Transaction extends ChildMessage {
      *
      * @param inputIndex Which input to calculate the signature for, as an index.
      * @param key The private key used to calculate the signature.
-     * @param redeemScript The scriptPubKey that is being satisified, or the P2SH redeem script.
+     * @param redeemScript The scriptPubKey that is being satisfied, or the P2SH redeem script.
      * @param hashType Signing mode, see the enum for documentation.
      * @param anyoneCanPay Signing mode, see the SigHash enum for documentation.
      * @return A newly calculated signature object that wraps the r, s and sighash components.
@@ -1104,7 +1104,7 @@ public class Transaction extends ChildMessage {
      * @param inputIndex Which input to calculate the signature for, as an index.
      * @param key The private key used to calculate the signature.
      * @param aesKey The AES key to use for decryption of the private key. If null then no decryption is required.
-     * @param redeemScript Byte-exact contents of the scriptPubKey that is being satisified, or the P2SH redeem script.
+     * @param redeemScript Byte-exact contents of the scriptPubKey that is being satisfied, or the P2SH redeem script.
      * @param hashType Signing mode, see the enum for documentation.
      * @param anyoneCanPay Signing mode, see the SigHash enum for documentation.
      * @return A newly calculated signature object that wraps the r, s and sighash components.
@@ -1125,7 +1125,7 @@ public class Transaction extends ChildMessage {
      * @param inputIndex Which input to calculate the signature for, as an index.
      * @param key The private key used to calculate the signature.
      * @param aesKey The AES key to use for decryption of the private key. If null then no decryption is required.
-     * @param redeemScript The scriptPubKey that is being satisified, or the P2SH redeem script.
+     * @param redeemScript The scriptPubKey that is being satisfied, or the P2SH redeem script.
      * @param hashType Signing mode, see the enum for documentation.
      * @param anyoneCanPay Signing mode, see the SigHash enum for documentation.
      * @return A newly calculated signature object that wraps the r, s and sighash components.