diff --git a/README.md b/README.md
index ca140c1..835f051 100644
--- a/README.md
+++ b/README.md
@@ -15,9 +15,9 @@
 
 ![class diagramm provider](out/architecture/architecture_class/provider.png)
 
-### converter
+### scraper
 
-![class diagramm converter](out/architecture/architecture_class/converter.png)
+![class diagramm scraper](out/architecture/architecture_class/scraper.png)
 
 # documentation
 
diff --git a/architecture/architecture_class.plantuml b/architecture/architecture_class.plantuml
index c65801e..c729f65 100644
--- a/architecture/architecture_class.plantuml
+++ b/architecture/architecture_class.plantuml
@@ -20,10 +20,24 @@ metrics_collector <|-- zcl_amp_metrics_
 
 @enduml
 
-@startuml converter
+@startuml scraper
+
+
+interface if_http_extension{
+  handle_request
+}
+interface zif_amp_converter{
+  convert
+}
+
+class zcl_amp_scraper <<if_http_extension>>
 
 class zcl_amp_conv_http_json <<zif_amp_converter>>
-class zcl_amp_con_prom_keyvalue <<zif_amp_converter>>
+class zcl_amp_conv_prom_keyvalue <<zif_amp_converter>>
 class zcl_amp_metrics_ <<zif_amp_converter>>
 
+zcl_amp_scraper --> zcl_amp_conv_http_json
+zcl_amp_scraper --> zcl_amp_conv_prom_keyvalue
+zcl_amp_scraper --> zcl_amp_metrics_
+
 @enduml
\ No newline at end of file
diff --git a/out/architecture/architecture_class/converter.png b/out/architecture/architecture_class/converter.png
deleted file mode 100644
index d01f95e..0000000
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diff --git a/out/architecture/architecture_class/provider.png b/out/architecture/architecture_class/provider.png
index 8260a3e..606ba7f 100644
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diff --git a/out/architecture/architecture_class/scraper.png b/out/architecture/architecture_class/scraper.png
new file mode 100644
index 0000000..04a776e
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