diff --git a/README.md b/README.md
index 516ab5b..e1cb491 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,17 @@
 
 An EPICS drivers based on stream device allowig to controle remotly both ePowerSwitch 4 IEC and 8M+
 
+# How to use
+
+For a device with 4 outlets
+```bash
+$ startioc.sh 4
+```
+
+For a device with 8 outlets
+```bash
+$ startioc.sh 8
+```
+# Test
+
+TODO
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diff --git a/documentation/graph.puml b/documentation/graph.puml
deleted file mode 100644
index f750d65..0000000
--- a/documentation/graph.puml
+++ /dev/null
@@ -1,6 +0,0 @@
-@startuml
-
-
-
-
-@enduml
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