diff --git a/.gitignore b/.gitignore
index 8dc8177..6c6b85b 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+# Repository specific files
 plugins/osm2graph.jar
 outputs
 inputs/land-polygons-split-4326
@@ -7,3 +8,6 @@ inputs/land-polygons-split-4326
 *.shx
 *.shp
 *.dbf
+
+# OS specific files
+.DS_Store