wdata-format-concept.md

@@ -31,7 +31,7 @@ datadim                   3   # dimension of block size: 1=nx, 2=nx*ny, 3=nx*ny*
 prefix                 test   # prefix for files belonging to this data set, binary files have names `prefix_variable-name.format`
 cycles                   10   # number of cycles (measurements)
 t0                        0   # time value for the first cycle
-dt                       -1   # time interval between cycles. If `dt` negative then time step is varying and is read from binary file `prefix__t.wdata`
+dt                       0.1   # time interval between cycles. If `dt` negative then time step is varying and is read from binary file `prefix__t.wdata`
 
 # variables
 # tag                  name                    type                    unit                  format