diff --git a/MicroDexed.ino b/MicroDexed.ino
index 63c7eca..9ef61dc 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -1969,7 +1969,7 @@ void set_voiceconfig_params(uint8_t instance_id)
   MicroDexed[instance_id]->setBCController(configuration.dexed[instance_id].bc_range, configuration.dexed[instance_id].bc_assign, configuration.dexed[instance_id].bc_mode);
   MicroDexed[instance_id]->setATController(configuration.dexed[instance_id].at_range, configuration.dexed[instance_id].at_assign, configuration.dexed[instance_id].at_mode);
   MicroDexed[instance_id]->ControllersRefresh();
-  MicroDexed[instance_id]->setOPs(configuration.dexed[instance_id].op_enabled);
+  MicroDexed[instance_id]->setOPAll(configuration.dexed[instance_id].op_enabled);
   MicroDexed[instance_id]->doRefreshVoice();
   MicroDexed[instance_id]->setMaxNotes(configuration.dexed[instance_id].polyphony);
   MicroDexed[instance_id]->setMonoMode(configuration.sys.mono);
diff --git a/README.md b/README.md
index bb19ed1..60e454a 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,6 @@
 ## Dexed port for Teensy (3.6/4.x with audio shield and LCD or OLED display)
 This is a port of the original Dexed/msfa engine (see https://github.com/asb2m10/dexed and https://github.com/google/music-synthesizer-for-android) to be used on a Teensy-3.6 or Teensy-4.x.
 
-The current state is: work in progress... but near version 1.0! 
-
 ## License
 MicroDexed is licensed on the GPL v3. The msfa component (acronym for music synthesizer for android, see https://github.com/google/music-synthesizer-for-android) stays on the Apache 2.0 license to able to collaborate between projects.
 
@@ -14,7 +12,7 @@ MicroDexed is licensed on the GPL v3. The msfa component (acronym for music synt
 * PPPlay : Great OPL3 implementation, with documented code :D
 * Thierry Pottier: for extreme testing, discussing about different options, images and many good suggestions for UI handling
 * Lars Pelz: Testing and documentation
-* Nils Feldkäper: LCDMenuLib2 and his patience with my sometimes strange desires
+* Nils FeldkÃmper: LCDMenuLib2 and his patience with my sometimes strange desires
 
 ## Dexed comes with 3 engine types :
 
diff --git a/UI.hpp b/UI.hpp
index 3157c68..9275eb8 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -3519,7 +3519,7 @@ void UI_handle_OP(uint8_t param)
 
     lcd.setCursor(op_selected, 1);
 
-    MicroDexed[selected_instance_id]->setOPs(configuration.dexed[selected_instance_id].op_enabled);
+    MicroDexed[selected_instance_id]->setOPAll(configuration.dexed[selected_instance_id].op_enabled);
     MicroDexed[selected_instance_id]->doRefreshVoice();
     send_sysex_param(configuration.dexed[selected_instance_id].midi_channel, 155, configuration.dexed[selected_instance_id].op_enabled, 0);
   }