diff --git a/README.md b/README.md
index f366bda..6a6eaac 100644
--- a/README.md
+++ b/README.md
@@ -64,10 +64,31 @@ git submodule init
 git submodule update
 ~~~~
 
+Build the d4 client. This will create the `d4` binary.
+
+~~~~
+make
+~~~~
+
+Then register the sensor with the server. Replace `API_TOKEN`, `VALID_UUID4` (create a random UUID via [UUIDgenerator](https://www.uuidgenerator.net/)) and `VALID_HMAC_KEY`.
+
+~~~~
+curl -k https://127.0.0.1:7000/api/v1/add/sensor/register --header "Authorization: API_TOKEN" -H "Content-Type: application/json" --data '{"uuid":"VALID_UUID4","hmac_key":"VALID_HMAC_KEY"}' -X POST
+~~~~
+
+If the registration went correctly the UUID is returned. Do not forget to approve the registration in the D4 server web interface.
+
+Update the configuration file
+
+~~~~
+cp -r conf.sample conf
+echo VALID_UUID4 > conf/uuid
+echo VALID_HMAC_KEY > conf/key
+~~~~
+
 ## D4 core server
 
-D4 core server is a complete server to handle clients (sensors) including the decapsulation of the [D4 protocol](https://github.com/D4-project/architecture/tree/master/format), control of
-sensor registrations, management of decoding protocols and dispatching to adequate decoders/analysers.
+D4 core server is a complete server to handle clients (sensors) including the decapsulation of the [D4 protocol](https://github.com/D4-project/architecture/tree/master/format), control of sensor registrations, management of decoding protocols and dispatching to adequate decoders/analysers.
 
 ### Requirements
 
@@ -76,7 +97,6 @@ sensor registrations, management of decoding protocols and dispatching to adequa
 
 ### Installation
 
-
 - [Install D4 Server](https://github.com/D4-project/d4-core/tree/master/server)
 
 ### D4 core server Screenshots
diff --git a/server/README.md b/server/README.md
index 5ed2c1b..36d0080 100644
--- a/server/README.md
+++ b/server/README.md
@@ -15,11 +15,24 @@ sensor registrations, management of decoding protocols and dispatching to adequa
 ### Installation
 
 ###### Install D4 server
+
+Clone the repository and install necessary packages. Installation requires *sudo* permissions.
+
 ~~~~
+git clone https://github.com/D4-project/d4-core.git
+cd d4-core
 cd server
 ./install_server.sh
 ~~~~
-Create or add a pem in [d4-core/server](https://github.com/D4-project/d4-core/tree/master/server) :
+
+When the installation is finished, scroll back to where `+ ./create_default_user.py` is displayed. The next lines contain the default generated user and should resemble the snippet below. Take a temporary note of the password, you are required to **change the password** on first login.
+~~~~
+new user created: admin@admin.test
+password: <redacted>
+token: <redacted>
+~~~~
+
+Then create or add a pem in [d4-core/server](https://github.com/D4-project/d4-core/tree/master/server) :
 ~~~~
 cd gen_cert
 ./gen_root.sh
@@ -27,7 +40,6 @@ cd gen_cert
 cd ..
 ~~~~
 
-
 ###### Launch D4 server
 ~~~~
 ./LAUNCH.sh -l
@@ -35,6 +47,14 @@ cd ..
 
 The web interface is accessible via `http://127.0.0.1:7000/`
 
+If you cannot access the web interface on localhost (for example because the system is running on a remote host), then stop the server, change the listening host IP and restart the server. In the below example it's changed to `0.0.0.0` (all interfaces). Make sure that the IP is not unintentionally publicly exposed.
+
+~~~~
+./LAUNCH.sh -k
+sed -i '/\[Flask_Server\]/{:a;N;/host = 127\.0\.0\.1/!ba;s/host = 127\.0\.0\.1/host = 0.0.0.0/}' configs/server.conf
+./LAUNCH.sh -l
+~~~~
+
 ### Updating web assets
 To update javascript libs run:
 ~~~~
@@ -46,7 +66,6 @@ cd web
 
 [API Documentation](https://github.com/D4-project/d4-core/tree/master/server/documentation/README.md)
 
-
 ### Notes
 
 - All server logs are located in ``d4-core/server/logs/``
@@ -85,3 +104,7 @@ Run the following command as root:
 ~~~~
 aa-complain /usr/sbin/tcpdump
 ~~~~
+
+###### WARNING - Not registered UUID=UUID4, connection closed
+
+This happens after you have registered a new sensor, but have not approved the registration. In order to approve the sensor, go in the web interface to **Server Management**, and click **Pending Sensors**.
\ No newline at end of file
diff --git a/server/lib/Sensor.py b/server/lib/Sensor.py
index 0cad0ef..3a8fc32 100755
--- a/server/lib/Sensor.py
+++ b/server/lib/Sensor.py
@@ -90,7 +90,7 @@ def register_sensor(req_dict):
     sensor_uuid = sensor_uuid.replace('-', '')
     # sensor already exist
     if r_serv_db.exists('metadata_uuid:{}'.format(sensor_uuid)):
-        return ({"status": "error", "reason": "Sensor already registred"}, 409)
+        return ({"status": "error", "reason": "Sensor already registered"}, 409)
 
     # hmac key
     if not hmac_key:
diff --git a/server/server.py b/server/server.py
index 361abe5..447a888 100755
--- a/server/server.py
+++ b/server/server.py
@@ -144,10 +144,10 @@ def extract_ip(ip_string):
         return ip_string
 
 def server_mode_registration(header_uuid):
-    # only accept registred uuid
+    # only accept registered uuid
     if server_mode == 'registration':
         if not redis_server_metadata.sismember('registered_uuid', header_uuid):
-            error_msg = 'Not registred UUID={}, connection closed'.format(header_uuid)
+            error_msg = 'Not registered UUID={}, connection closed'.format(header_uuid)
             print(error_msg)
             logger.warning(error_msg)
             #redis_server_metadata.hset('metadata_uuid:{}'.format(data_header['uuid_header']), 'Error', 'Error: This UUID is temporarily blacklisted')