diff --git a/src/qiudanz_technique.gmo b/src/qiudanz_technique.gmo
index 563273d..8368d3d 100644
--- a/src/qiudanz_technique.gmo
+++ b/src/qiudanz_technique.gmo
@@ -28,7 +28,7 @@ four potential modes so far, that correspond to the size of the vocabulary and o
 * mode 3: eight movements and transformations
 * mode 4? sixteen movements and transformations
 
-## notes
+## current notes
 
 => ./qiudanz_mode_1.gmi {qiudanz mode 1}
 
@@ -45,21 +45,23 @@ these transformations are enough to perform tag systems, cyclic or not.
 
 see also {danzasistemas-tag}.
 
+=> ./qiudanz_mode_1.gmi {qiudanz mode 1}
+
 ## mode 2
 
-* DEQ
+* DEH
 * IN x
-* ROR: circular shift right: move tail to head
-* ROL: circular shift left: move head to tail
+* ROL: circular shift right: move tail to head
+* LER: circular shift left: move head to tail
 
 these transformations should be enough to perform (more easily) the tape of a turing machine. {máquinas de turing}
 
 ## mode 3
 
-* DEQ
+* DEH
 * IN x
-* ROR
 * ROL
+* LER
 * INC: increment movement at the head
 * DEC: decrement movement at the head
 * INV: invert movement at the head