docs: Add example of setting PKG_CONFIG_PATH on OSX with macports
Change-Id: Iaf922519fcce8569f514d7994fa0db9766e0cc88
Refs: #1453
diff --git a/README.md b/README.md
index de446f2..04aadb5 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,10 @@
You may override `SYSCONFDIR` and `PREFIX` by specifying their
corresponding options during installation:
- ./waf install --prefix <path/for/prefix> --sysconfdir <some/other/path>
+ ./waf configure --prefix <path/for/prefix> --sysconfdir <some/other/path>
+
+Refer to `INSTALL.md` for more detailed instructions on how to compile
+and install NFD.
## Running and Configuring NFD