INSTALL.md: Uppercase

Change-Id: I0847869c88c91c5173b85f677dfd3257af9fe4b2
diff --git a/INSTALL.md b/INSTALL.md
index 493bd0f..7ea2ce3 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,5 +1,5 @@
 NFD Installation Instructions
 =============================
 
-See [`docs/install.rst`](https://github.com/named-data/NFD/blob/master/docs/INSTALL.rst)
+See [`docs/INSTALL.rst`](https://github.com/named-data/NFD/blob/master/docs/INSTALL.rst)
 for detailed NFD installation instructions.