fix bug in b1bass2 snippet

snippets/b1bass2

@@ -8,7 +8,7 @@
 d'bass $
   spread slow [1,3] $
   striate 16 $
-  s "${1:bass3} [~ $1}] ! ~"
+  s "${1:bass3} [~ $1] ! ~"
   # begin 0.2
   # n "0 1 0 0"
   # speed (scale 1 1.5 $ slow 8 sine1)