diff --git a/wolf_tutorial.md b/wolf_tutorial.md
index 8fc57e0..9d0dcf2 100644
--- a/wolf_tutorial.md
+++ b/wolf_tutorial.md
@@ -201,7 +201,7 @@ or:
 
 Export in csv-like format:
 
-	obi export --tab-output wolf/aligned_assigned_sequences wolf_results.csv
+	obi export --tab-output wolf/aligned_assigned_sequences > wolf_results.csv
 
 ### Contact