diff --git a/README.md b/README.md
index 63559c7..f281421 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,7 @@
 
 this is a work-in-progress.
 
-Purpose of this is to intentionally cause r/w to close after certain time.
\ No newline at end of file
+Purpose of this is to intentionally cause r/w to close after certain time.
+
+
+godoc: https://godoc.org/github.com/zutto/TimeoutPipe