diff --git a/docs/guide/index.md b/docs/guide/index.md
index 18e4dc0..62812f7 100644
--- a/docs/guide/index.md
+++ b/docs/guide/index.md
@@ -42,24 +42,27 @@ To get started, just `npm install bitcore` or `bower install bitcore`.
 
 ## Create a Private Key
 
-```
+```javascript
 var privKey = new bitcore.PrivateKey();
 ```
 
 ## Create an Address
-```
+
+```javascript
 var privKey = new bitcore.PrivateKey();
 var address = privKey.toAddress();
 ```
 
 ## Create a Multisig Address
-```
+
+```javascript
 // Build a 2-of-3 address from public keys
 var P2SHAddress = new bitcore.Address([publicKey1, publicKey2, publicKey3], 2);
 ```
 
 ## Request a Payment
-```
+
+```javascript
 var paymentInfo = {
   address: '1DNtTk4PUCGAdiNETAzQFWZiy2fCHtGnPx',
   amount: 120000 //satoshis
@@ -68,7 +71,8 @@ var uri = new bitcore.URI(paymentInfo).toString();
 ```
 
 ## Create a Transaction
-```
+
+```javascript
 var transaction = new Transaction()
     .from(utxos)          // Feed information about what unspent outputs one can use
     .to(address, amount)  // Add an output with the given amount of satoshis
@@ -77,7 +81,8 @@ var transaction = new Transaction()
 ```
 
 ## Connect to the Network
-```
+
+```javascript
 var peer = new Peer('5.9.85.34');
 
 peer.on('inv', function(message) {