diff --git a/README.md b/README.md
index 84af0cb8e602d1dccbb28974d45809dbb91c1c57..152da7d6e4cb1b7cc53027f73f3b61a27f5c6943 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,12 @@
 
 SoSe 18/19 - Business Software
 
+by Roman Antoschin, Jonas Blatt and Philipp Müller
+
 ## Project parts
 * Project: [Camunda Server](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/camunda)
-* Project: [PHP Website - IoT Server](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/phpApi)
+* Project: [PHP Website - IoT Data Server](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/phpApi)
 * Project: [Arduino](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/arduino)
 
 ## Archtitecture of the system
-<img src="project_architecture.png" width="450">
\ No newline at end of file
+<img src="project_architecture.png" width="650">
\ No newline at end of file
diff --git a/arduino/README.md b/arduino/README.md
index e296f607e7a01200c6cc17573e75d3890b2c4528..1292e17fe60172e6c84bc3d4623581eda9217f83 100644
--- a/arduino/README.md
+++ b/arduino/README.md
@@ -4,7 +4,7 @@
 [Source code](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/blob/master/arduino/RFID_IoT_BS_final.ino)
 
 ## Circuit diagram
-<img src="arduino/Skizze_Schaltplan.jpg" width="450">
+<img src="arduino/Skizze_Schaltplan.jpg" width="550">
 
 ## Cabling
-<img src="arduino/Skizze_Verkabelung.jpg" width="450">	
\ No newline at end of file
+<img src="arduino/Skizze_Verkabelung.jpg" width="550">	
\ No newline at end of file
diff --git a/camunda/README.md b/camunda/README.md
index 3c5fc3bd9e7941e9e4fdd45fb32a9d1e2771d312..771e776e435bf944e4d6138d6dad9fe9e4529018 100644
--- a/camunda/README.md
+++ b/camunda/README.md
@@ -1,12 +1,14 @@
 # Camunda IoT Demo
 
-Build with 
+Build with [camunda-bpm-spring-boot-starter-webapp](https://github.com/camunda/camunda-bpm-spring-boot-starter)
 
 ## IoT receiver process
-This process will be receive every minute the rfid data from the rfid api server.
+This process will be receive every minute the rfid data from the rfid data server.
 After receiving the data, this project will start a new sample process.
-<img src="camunda/process_IoT_Receiver.png" width="450">
+
+<img src="camunda/process_IoT_Receiver.png" width="650">
 
 ## Sample process
-This demo process will be started by the IoT receiver process for each rfid tag, received by the IoT php API.
-<img src="camunda/process/IoT_demo_process.png" width="450">
+This demo process will be started by the IoT receiver process for each rfid tag, received by the IoT data API.
+
+<img src="camunda/process_IoT_demo_process.png" width="650">
diff --git a/phpApi/README.md b/phpApi/README.md
index 7e8c9ea135fbbffbe9ce135dfd733f888df8d627..c4a2601427ac42e790a250afecb210437cb643e2 100644
--- a/phpApi/README.md
+++ b/phpApi/README.md
@@ -1,5 +1,13 @@
 # Camunda IoT Demo
 
+## IoT Data Server
+Provide two functions: 
+* Store rfid data
+* Provide the stored data
+
+## IoT API Source code
+[Source code](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/blob/master/phpApi/rfid.php)
+
 ## PHP API for storing an requesting IoT data
 * append new rfid data: rfid.php?action=append&tagId=123456
 * receive rfid data: rfid.php?action=get