1 files changed, 2 insertions, 0 deletions
diff --git a/paths.ml b/paths.ml
index 2db8ab0..82eca48 100755
--- a/paths.ml
+++ b/paths.ml
@@ -1,2 +1,4 @@
+(** Common  module for ensuring that the function is evaluated only once *)
+
 module Path_Builder = Path.Builder.Make(Path.Point)