Fixed comment for Wallet.sendCoins regarding MIN_NONDUST_OUTPUT.

core/src/main/java/com/google/bitcoin/core/Wallet.java

@@ -1738,8 +1738,8 @@ public static SendRequest emptyWallet(Address destination) {
      * prevent this, but that should only occur once the transaction has been accepted by the network. This implies
      * you cannot have more than one outstanding sending tx at once.</p>
      *
-     * <p>You MUST ensure that nanocoins is larger than {@link Transaction#MIN_NONDUST_OUTPUT} or the transaction will
-     * almost certainly be rejected by the network as dust.</p>
+     * <p>You MUST ensure that nanocoins is not smaller than {@link Transaction#MIN_NONDUST_OUTPUT} or the transaction
+     * will almost certainly be rejected by the network as dust.</p>
      *
      * @param address       The Bitcoin address to send the money to.
      * @param nanocoins     How much currency to send, in nanocoins.
@@ -1788,7 +1788,7 @@ public Transaction sendCoinsOffline(SendRequest request) throws InsufficientMone
      * successfully broadcast. This means that even if the network hasn't heard about your transaction you won't be
      * able to spend those same coins again.</p>
      *
-     * <p>You MUST ensure that value is smaller than {@link Transaction#MIN_NONDUST_OUTPUT} or the transaction will
+     * <p>You MUST ensure that value is not smaller than {@link Transaction#MIN_NONDUST_OUTPUT} or the transaction will
      * almost certainly be rejected by the network as dust.</p>
      *
      * @param broadcaster a {@link TransactionBroadcaster} to use to send the transactions out.