diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f6da509
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,42 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+
+- Changelog
+- `paid` field in ZGoOrder type
+- Test for `api/order/:id` endpoint with an invalid ID
+
+## Fixed
+
+- Bug #1: crash when invalid ID was provided to `api/order/:id`
+
+## [0.1.0.1] - 2022-05-20
+
+### Added
+
+- Parametrized fullnode credentials
+
+## [0.1.0.0] - 2022-05-19
+
+### Added
+
+- BOSL license
+- API end points
+  - Country
+  - Block
+  - Node address
+  - User
+  - Owner
+  - Order
+  - Item
+- Processing
+  - Zcash transactions to ZGo items
+  - Convert login memos to Users
+  - Mark Owners as paid when payment is found on chain
+  - Mark Owners as expired when expiration date is reached
diff --git a/ChangeLog.md b/ChangeLog.md
deleted file mode 100644
index 09271a5..0000000
--- a/ChangeLog.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# Changelog for zgo-backend
-
-## Unreleased changes
diff --git a/README.md b/README.md
index e958eb7..e03b5d3 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,12 @@
-# zgo-backend
+# ZGo Back End
+
+The API server behind the [ZGo.cash](https://zgo.cash) app.
+
+## Dependencies
+
+- Zcash Full node
+- MongoDB
+
+## Configuration
+
+The file `zgo.cfg` needs to be modified to put the correct parameters for implementation.
diff --git a/package.yaml b/package.yaml
index 9e0ee60..58a78c0 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,5 +1,5 @@
 name:                zgo-backend
-version:             0.1.0.1
+version:             0.1.0.2
 git:                 "https://gitlab.com/pitmutt/zgo-backend"
 license:             BOSL
 author:              "Rene Vergara"
@@ -8,7 +8,7 @@ copyright:           "Copyright (c) 2022 Vergara Technologies LLC"
 
 extra-source-files:
 - README.md
-- ChangeLog.md
+- CHANGELOG.md
 - zgo.cfg
 
 # Metadata used when publishing your package
diff --git a/src/ZGoBackend.hs b/src/ZGoBackend.hs
index 633652a..098c960 100644
--- a/src/ZGoBackend.hs
+++ b/src/ZGoBackend.hs
@@ -400,7 +400,7 @@ routes pipe db passkey nodeAddress nodeUser nodePwd = do
       then do
         liftIO $ run (deleteUser userId)
         status ok200
-      else status unprocessableEntity422
+      else status noContent204
   --Get current blockheight from Zcash node
   get "/api/blockheight" $ do
     blockInfo <- makeZcashCall nodeUser nodePwd "getblock" ["-1"]
@@ -456,7 +456,7 @@ routes pipe db passkey nodeAddress nodeUser nodePwd = do
       then do
         liftIO $ run (deleteItem oId)
         status ok200
-      else status unprocessableEntity422
+      else status noContent204
     --Get price for Zcash
   get "/api/price" $ do
     curr <- param "currency"
@@ -504,7 +504,7 @@ routes pipe db passkey nodeAddress nodeUser nodePwd = do
                      [ "message" .= ("Order found!" :: String)
                      , "order" .= toJSON (pOrder :: ZGoOrder)
                      ])
-      else status unprocessableEntity422
+      else status noContent204
     --Get order by session
   get "/api/order" $ do
     sess <- param "session"