diff --git a/README.md b/README.md
index eb54bc5..c13e12a 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,7 @@ ldconfig
 
 ## Hacking
 
-If you are interested in helping, read the [HACKING](./HACKING) file for a description of 
+If you are interested in helping, read the [HACKING](./HACKING.md) file for a description of 
 where the code stands and what has been gleened of the file format.
 
 ## Contact