fix rng docs

docs/literate/HowTo/sequence.jl

@@ -11,15 +11,15 @@ using StableRNGs
 design = SingleSubjectDesign(conditions = Dict(:condition => ["one", "two"]))
 generate_events(design)
 # Next we use the `SequenceDesign` and nest our initial design in it. "`SR_`" is code for an "`S`" event and an "`R`" event - only single letter events are supported! The "`_`" is a signal for the Onset generator to generate a bigger pause - no overlap between adjacend "`SR`" pairs
-design = SequenceDesign(design, "SR_", StableRNG(1))
-generate_events(design)
+design = SequenceDesign(design, "SR_")
+generate_events(StableRNG(1), design)
 # The main thing that happened is that the design was repeated for every event (each 'letter') of the sequence, and an `eventtype` column was added.
 # !!! hint
 #     more advaned sequences are possible as well, like "SR{1,3}", or "A[BC]". Infinite sequences are **not** possible like "AB*". 
 
 # Finally, let's repeat the current design 4 times
 design = RepeatDesign(design, 4)
-generate_events(design)
+generate_events(StableRNG(1), design)
 
 # This results in 16 trials that nicely follow our sequence