diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..b9e2c98
Binary files /dev/null and b/.DS_Store differ
diff --git a/pages/contributing-to-a-repository b/pages/contributing-to-a-repository.md
similarity index 100%
rename from pages/contributing-to-a-repository
rename to pages/contributing-to-a-repository.md
diff --git a/pages/listing.txt b/pages/listing.txt
index ca32530..657fc2d 100644
--- a/pages/listing.txt
+++ b/pages/listing.txt
@@ -1,5 +1,6 @@
 introduction.md
 resolving-merge-conflicts.md
-# change this
-#creating-pull-requests.md
+creating-issues.md
+contributing-to-a-repository.md
+creating-pull-requests.md