fix link so it doesn't have to be local

diff --git a/README.md b/README.md
index df4708e46f2e433aeae787be212df9a9626ed1de..2755be8a9ed6eec3ac1c6a39d36a17d888e31353 100644 (file)
--- a/README.md
+++ b/README.md
@@ -9,4 +9,4 @@ softfloat and softposit in Python
 ```
 
 ## Building
-See [BUILDING](BUILDING.md).
\ No newline at end of file
+See [BUILDING](https://github.com/billzorn/sfpy/blob/master/BUILDING.md).