diff --git a/features/nfc/doc/nfc_design.md b/features/nfc/doc/nfc_design.md
index c78079c3ad..66b4e1dc6d 100644
--- a/features/nfc/doc/nfc_design.md
+++ b/features/nfc/doc/nfc_design.md
@@ -92,6 +92,11 @@ For now, the one controller we support is the PN512 which implements the `NFCCon
 
 It offers the following methods:
 
+```cpp
+void set_delegate(Delegate* delegate);
+```
+Set the instance's delegate.
+
 ```cpp
 struct nfc_rf_protocols_bitmask_t
 {
@@ -122,6 +127,11 @@ These are mapped against NFC Forum-defined protocols.
 * NFC-DEP is based on ISO/IEC 18092 / FIXME and is the basis for NFC peer-to-peer communication.
 * T5T is also known as ISO/IEC 15963.
 
+```cpp
+nfc_err_t initialize();
+```
+Initialize the NFC controller.
+
 ```cpp
 nfc_err_t configure_rf_protocols(nfc_rf_protocols_bitmask_t rf_protocols);
 ```
@@ -215,16 +225,6 @@ ndef::MessageBuilder* ndef_message_builder();
 
 This class derives from the base `NFCEndpoint` and `NFCNDEFCapable` classes.
 
-```cpp
-bool is_ndef_supported();
-
-void set_ndef_message(const NDEFMessage& message);
-void clear_ndef_message();
-NDEFMessage get_ndef_message();
-```
-These methods provide access to the NDEF message that we are exposing to the remote initiator.
-
-
 ```cpp
 enum nfc_tag_type_t {
     nfc_tag_type_1,
diff --git a/features/nfc/doc/uml_diagram_controller.png b/features/nfc/doc/uml_diagram_controller.png
index 87d413ced3..890ee306ce 100644
Binary files a/features/nfc/doc/uml_diagram_controller.png and b/features/nfc/doc/uml_diagram_controller.png differ
diff --git a/features/nfc/doc/uml_diagram_controller.txt b/features/nfc/doc/uml_diagram_controller.txt
index 4c46ac4557..9ae3414773 100644
--- a/features/nfc/doc/uml_diagram_controller.txt
+++ b/features/nfc/doc/uml_diagram_controller.txt
@@ -3,6 +3,7 @@ class NFCController {
   +NFCController(NFCControllerDriver* driver, events::EventQueue* queue)
   +void set_delegate(NFCController::Delegate* delegate)
   +nfc_rf_protocols_bitmask_t get_supported_rf_protocols() const
+  +nfc_err_t initialize()
   +nfc_err_t configure_rf_protocols(nfc_rf_protocols_bitmask_t rf_protocols)
   +nfc_err_t start_discovery()
   +nfc_err_t cancel_discovery()
@@ -15,11 +16,18 @@ abstract class NFCController::Delegate {
 }
 
 abstract class NFCControllerDriver {
-  +{abstract} void initialize(scheduler_timer_t* pTimer)
-  +{abstract} transceiver_t* get_transceiver()
+  +void set_delegate(Delegate* delegate)
+  +{abstract} transceiver_t* initialize(scheduler_timer_t* pTimer)
+  +{abstract} void get_supported_nfc_techs(nfc_tech_t* initiator, nfc_tech_t* target) const
+}
+
+abstract class NFCControllerDriver::Delegate {
+  +{abstract} void on_hw_interrupt()
 }
 
 NFCController o-- NFCController::Delegate
 NFCController o-- NFCControllerDriver
+NFCControllerDriver o-- NFCControllerDriver::Delegate
+NFCControllerDriver::Delegate <-- NFCController
 
 @enduml
\ No newline at end of file