diff --git a/tutorial/dna-basecount/README.md b/tutorial/dna-basecount/README.md
new file mode 100644
index 0000000..8b038ec
--- /dev/null
+++ b/tutorial/dna-basecount/README.md
@@ -0,0 +1,4 @@
+DNA Base Counting
+=================
+* [DNA Base Counting Without In-Mapper Combiner](./dna-basecount.md)
+* [DNA Base Counting With In-Mapper Combiner](./dna-basecount2.md)
diff --git a/tutorial/dna-basecount.md b/tutorial/dna-basecount/dna-basecount.md
similarity index 100%
rename from tutorial/dna-basecount.md
rename to tutorial/dna-basecount/dna-basecount.md
diff --git a/tutorial/dna-basecount2.md b/tutorial/dna-basecount/dna-basecount2.md
similarity index 100%
rename from tutorial/dna-basecount2.md
rename to tutorial/dna-basecount/dna-basecount2.md