diff --git a/examples/sample_collection.tsv b/examples/sample_collection.tsv
index 7ef2e6a..df0f686 100644
--- a/examples/sample_collection.tsv
+++ b/examples/sample_collection.tsv
@@ -1,4 +1,4 @@
-0   hello world
-1   thank yo!
-2   a
-3   this is some longer text, so length should be longer
+0	hello world
+1	thank yo!
+2	a
+3	this is some longer text, so length should be longer