Update krahenlied.lua

changed "ADSR" (incorrect, referencing an old version) to "AR" (correct, referencing the current version)

krahenlied.lua

@@ -2,7 +2,7 @@
 --a poetry sequencer for crow, just friends, and w/tape
 --input 1: clock
 --outputs 1 & 3: v/8
---outputs 2 & 4: ADSR envelopes
+--outputs 2 & 4: AR envelopes
 --begin by giving your poem a title in druid using the title function (i.e., typing title followed by your title in quotes), like so:
 --title "Christabel"
 --this will start the clocks running and create an initial sequence
@@ -208,4 +208,4 @@
           end
         end
     end
-  end
+  end