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--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # src.lwithers.me.uk/go/writefile
 
+[![GoDoc](https://godoc.org/src.lwithers.me.uk/go/writefile?status.svg)](https://godoc.org/src.lwithers.me.uk/go/writefile)
+
 This package implements the common Unix technique of writing a new file by first
 writing a temporary file, then ensuring it is fsync()ed, before calling rename()
 to atomically move into its final resting place.