diff --git a/migScope/tools/vcd.py b/migScope/tools/vcd.py
index a4d00f4fc..d7b1246f7 100644
--- a/migScope/tools/vcd.py
+++ b/migScope/tools/vcd.py
@@ -1,5 +1,7 @@
+import sys
 import datetime
 
+sys.path.append("../../")
 from migScope.tools.conv import *
 
 class Var:
@@ -161,7 +163,7 @@ def main():
 	myvcd.add(Var("wire",3,"foo3"))
 	myvcd.add(Var("wire",4,"foo4"))
 	ramp = [i%128 for i in range(1024)]
-	myvcd.add(Var("wire",16,"sinus",ramp))
+	myvcd.add(Var("wire",16,"ramp",ramp))
 	print(myvcd)
 	
 if __name__ == '__main__':
diff --git a/sim/tb_Migscope.py b/sim/tb_Migscope.py
index 1d6933563..8cf51345a 100644
--- a/sim/tb_Migscope.py
+++ b/sim/tb_Migscope.py
@@ -9,7 +9,6 @@ import sys
 sys.path.append("../")
 
 from migScope import trigger, recorder
-
 from migScope.tools.truthtable import *
 from migScope.tools.vcd import *
 
@@ -76,11 +75,14 @@ def csr_transactions(trigger0, recorder0):
 	#Arm
 	yield TWrite(recorder0.address + 1,  1)
 
-
+	# Wait Record to be done
+	##############################
 	global rec_done
 	while not rec_done:
 		yield None
 
+	# Read recorded data
+	##############################
 	global dat_rdy	
 	for t in range(64):
 		yield TWrite(recorder0.address + 7, 1)