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@@ -19,7 +19,7 @@ title: Bitcoin for Developers - Bitcoin
 <p>Bitcoin can create as many Bitcoin addresses as you want. So if you were to build a payment system associated with an invoice, you simply need to generate and monitor a Bitcoin address for each payment. You can also use the same addresses once the payment is done.</p>
 
 <h2><img src="/img/ico_lock.svg" alt="Security" />Most of the security is on client side</h2>
-<p>Most of all parts of the security is handled by the the protocol on client and Bitcoin network side. Authenticity is verified through private keys and double-spends are prevented through the Bitcoin network. That means, no PCI compliance or fraud detection. We love things that just work, don't we?</p>
+<p>Most parts of security are handled by the protocol on the client and Bitcoin network side. Authenticity is verified through private keys and double-spends are prevented through the Bitcoin network. That means, no PCI compliance or fraud detection. We love things that just work, don't we?</p>
 
 <h2><img src="/img/ico_fast.svg" alt="Instant" />Instant transactions and confirmations</h2>
 <p>A Bitcoin transaction is usually received within a few seconds and confirmed within 10 minutes. Before that, the transaction can be considered authentic but reversible. If you really require instant transaction, it is recommended to ask for a small transaction fee and use a double-spend detection system.</p>