diff --git a/README.md b/README.md
index aeab1b3..b9cebad 100644
--- a/README.md
+++ b/README.md
@@ -13,12 +13,7 @@ MicroDexed is licensed on the GPL v3. The msfa component (acronym for music synt
 * Thierry Pottier: for extreme testing, discussing about different options, images and many good suggestions for UI handling
 * Lars Pelz: Testing and documentation
 * Nils Feldkämper: LCDMenuLib2 and his patience with my sometimes strange desires
-
-## Dexed comes with 3 engine types :
-
-* Modern : this is the original 24-bit music-synthesizer-for-android implementation.
-* Mark I : Based on the OPL Series but at a higher resolution (LUT are 10-bits). The target of this engine is to be closest to the real DX7.
-* OPL Series : this is an experimental implementation of the reversed engineered OPL family chips. 8-bit. Keep in mind that the envelopes stills needs tuning.
+* @positionhigh (Mark) for sequencer and several other additions
 
 ## Manuals: