README.md in imap-backup-1.0.15 vs README.md in imap-backup-1.0.16

@@ -51,11 +51,11 @@
 ```
 
 It connects to GMail by default, but you can also specify a server:
 
 ```json
-{  
+{
   "accounts":
   [
     {
       "username": "[e-mail]",
       "password": "secret",
@@ -66,11 +66,11 @@
           {"name": "[Gmail]/All Mail"},
           {"name": "my_folder"}
         ]
     }
   ]
-}  
+}
 ```
 
 ## Google Apps
 
 * Enable IMAP access to your account via the GMail interface (Settings/Forwarding and POP/IMAP),
@@ -99,10 +99,27 @@
 
 Each folder is saved to an mbox file.
 Alongside each mbox is a file with extension '.imap', which lists the source IMAP
 UIDs to allow a full restore.
 
+# Troubleshooting
+
+If you have problems:
+
+1. ensure that you have the latest release,
+2. turn on debugging output:
+
+```json
+{
+  "accounts":
+  [
+    ...
+  ],
+  "debug": true
+}
+```
+
 # Other Usage
 
 List IMAP folders:
 
 ```shell
@@ -124,9 +141,10 @@
 # Similar Software
 
 * https://github.com/thefloweringash/gmail-imap-backup
 * https://github.com/mleonhard/imapbackup
 * https://github.com/rgrove/larch - copies between IMAP servers
+* https://github.com/OfflineIMAP/offlineimap
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)