Fix generateAddress docs and add error event listener to boilerplate

docs/src/boilerplate.md.ejs

@@ -8,6 +8,9 @@ const {RippleAPI} = require('ripple-lib');
 const api = new RippleAPI({
   server: 'wss://s1.ripple.com' // Public rippled server hosted by Ripple, Inc.
 });
+api.on('error', (errorCode, errorMessage) => {
+  console.log(errorCode + ': ' + errorMessage);
+});
 api.connect().then(() => {
   /* insert code here */
 }).then(() => {
@@ -27,6 +30,10 @@ All the code snippets in this documentation assume that you have surrounded them
 If you omit the "catch" section, errors may not be visible.
 </aside>
 
+<aside class="notice">
+The "error" event is emitted whenever an error occurs that cannot be associated with a specific request. If the listener is not registered, an exception will be thrown whenever the event is emitted.
+</aside>
+
 ### Parameters
 
 The RippleAPI constructor optionally takes one argument, an object with the following options:

docs/src/events.md.ejs

@@ -20,7 +20,7 @@ api.on('ledger', ledger => {
 
 ## error
 
-This event is emitted when there is an error on the connection to the server.
+This event is emitted when there is an error on the connection to the server that cannot be associated to a specific request.
 
 ### Return Value
 

docs/src/generateAddress.md.ejs

@@ -6,7 +6,7 @@ Generate a new Ripple address and corresponding secret.
 
 ### Parameters
 
-This method has no parameters.
+<%- renderSchema('input/generate-address.json') %>
 
 ### Return Value
 
@@ -17,8 +17,7 @@ This method returns an object with the following structure:
 ### Example
 
 ```javascript
-return api.generateAddress()
-  .then(result => {/* ... */});
+return api.generateAddress();
 ```
 
 <%- renderFixture('responses/generate-address.json') %>