From f80fa9c1826bd68dc8a9bfd632149e4e7eb433e2 Mon Sep 17 00:00:00 2001
From: Nop0x <marvinkilp@yahoo.de>
Date: Mon, 23 Jul 2018 12:52:38 -0400
Subject: [PATCH 1/2] Update core documentation

Update the core docs to explain how to handle errors in receive middlewares.

Related to https://github.com/howdyai/botkit/pull/1425
---
 docs/core.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/docs/core.md b/docs/core.md
index 104d182..d054d82 100755
--- a/docs/core.md
+++ b/docs/core.md
@@ -91,6 +91,21 @@ controller.on('message_received', function(bot, message) {
 });
 ```
 
+### Middleware error Events
+
+| Event | Description
+|-- |--
+| receive_error | An error happend while processing the message in a recieve middleware.
+
+Here is an example of a handler for an error event:
+
+```javascript
+controller.on('receive_error', function(err, bot, message) {
+    bot.reply(message, `There was an error processing your request.
+      Please try again later. Error: ${err.toString()}`);
+  });
+```
+
 ### Conversation Lifecycle Events
 
 | Event | Description

From c8fd54e9fb123cf675c576567a813004dfe31aec Mon Sep 17 00:00:00 2001
From: Nop0x <marvinkilp@yahoo.de>
Date: Mon, 23 Jul 2018 12:55:06 -0400
Subject: [PATCH 2/2] Fix capitalization

---
 docs/core.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/core.md b/docs/core.md
index d054d82..1b34632 100755
--- a/docs/core.md
+++ b/docs/core.md
@@ -91,7 +91,7 @@ controller.on('message_received', function(bot, message) {
 });
 ```
 
-### Middleware error Events
+### Middleware Error Events
 
 | Event | Description
 |-- |--